{"id":28340,"date":"2018-01-22T09:08:52","date_gmt":"2018-01-22T07:08:52","guid":{"rendered":"https:\/\/mamchenkov.net\/wordpress\/?p=28340"},"modified":"2018-01-22T09:08:52","modified_gmt":"2018-01-22T07:08:52","slug":"how-to-read-big-files-with-php-without-killing-your-server","status":"publish","type":"post","link":"https:\/\/mamchenkov.net\/wordpress\/2018\/01\/22\/how-to-read-big-files-with-php-without-killing-your-server\/","title":{"rendered":"How to Read Big Files with PHP (Without Killing Your Server)"},"content":{"rendered":"<!-- google_ad_section_start -->\n<p>Here&#8217;s an interesting article that was hanging around in my &#8220;to blog&#8221; tabs for a while now:\u00a0<a href=\"https:\/\/www.sitepoint.com\/performant-reading-big-files-php\/\">How to Read Big Files with PHP (Without Killing Your Server)<\/a>.\u00a0 I found the title to be slightly misleading, expecting the good old advice of reading and processing files line by line rather than all at once.\u00a0 But it&#8217;s not that.\u00a0 It&#8217;s much better.\u00a0 It covers some techniques that aren&#8217;t that well known to the majority of the PHP developers &#8211; generators, streams, and filters.<\/p>\n<p>Strongly recommended read!<\/p>\n<!-- google_ad_section_end -->\n","protected":false},"excerpt":{"rendered":"<!-- google_ad_section_start -->\n<p>Here&#8217;s an interesting article that was hanging around in my &#8220;to blog&#8221; tabs for a while now:\u00a0How to Read Big Files with PHP (Without Killing Your Server).\u00a0 I found the title to be slightly misleading, expecting the good old advice of reading and processing files line by line rather than all at once.\u00a0 But it&#8217;s &hellip; <a href=\"https:\/\/mamchenkov.net\/wordpress\/2018\/01\/22\/how-to-read-big-files-with-php-without-killing-your-server\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">How to Read Big Files with PHP (Without Killing Your Server)<\/span><\/a><\/p>\n<!-- google_ad_section_end -->\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"How to Read Big Files with PHP (Without Killing Your Server) #WebDev #PHP #performance","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false,"_links_to":"","_links_to_target":""},"categories":[1,18,62,1334],"tags":[1057,38,1330],"keyring_services":[],"class_list":["post-28340","post","type-post","status-publish","format-standard","hentry","category-general","category-programming","category-technology","category-web-work","tag-performance","tag-php","tag-web-development"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Here&#039;s an interesting article that was hanging around in my &quot;to blog&quot; tabs for a while now: How to Read Big Files with PHP (Without Killing Your Server). 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But it's","twitter:creator":"@mamchenkov","twitter:image":"https:\/\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2026\/03\/leonid-sailing-beer.jpg"},"aioseo_meta_data":{"post_id":"28340","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2023-07-20 05:07:37","updated":"2026-01-15 13:26:45","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/mamchenkov.net\/wordpress\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/\" title=\"Technology\">Technology<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/programming\/\" title=\"Programming\">Programming<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tHow to Read Big Files with PHP (Without Killing Your Server)\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/mamchenkov.net\/wordpress"},{"label":"Technology","link":"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/"},{"label":"Programming","link":"https:\/\/mamchenkov.net\/wordpress\/category\/technology\/programming\/"},{"label":"How to Read Big Files with PHP (Without Killing Your Server)","link":"https:\/\/mamchenkov.net\/wordpress\/2018\/01\/22\/how-to-read-big-files-with-php-without-killing-your-server\/"}],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":26069,"url":"https:\/\/mamchenkov.net\/wordpress\/2016\/04\/26\/common-files-in-php-packages\/","url_meta":{"origin":28340,"position":0},"title":"Common files in PHP packages","author":"Leonid Mamchenkov","date":"April 26, 2016","format":false,"excerpt":"Jordi Boggiano looks at some common files in PHP packages, using Packagist as a data source. \u00a0There are some interesting metrics in there. \u00a0For example: 58% of packages include a src\/ directory and 5% a lib\/ one. That's surprisingly low to me, that means a lot have the code simply\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":11039,"url":"https:\/\/mamchenkov.net\/wordpress\/2008\/02\/05\/mime-type-of-uploaded-files-in-php\/","url_meta":{"origin":28340,"position":1},"title":"MIME type of uploaded files in PHP","author":"Leonid Mamchenkov","date":"February 5, 2008","format":false,"excerpt":"Today I came across something that rather puzzled me at first, seemed irresponsible and such, but was cleared later, upon reading the manual.\u00c2\u00a0 When uploading files in PHP, variable $_FILES stores a bunch of information about each file.\u00c2\u00a0 One of those stored bits is the MIME type of the file.\u00c2\u00a0\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":22700,"url":"https:\/\/mamchenkov.net\/wordpress\/2014\/10\/22\/url-rewriting-in-built-in-web-server-of-php\/","url_meta":{"origin":28340,"position":2},"title":"URL rewriting in built-in web server of PHP","author":"Leonid Mamchenkov","date":"October 22, 2014","format":false,"excerpt":"PHP comes with a handy for development built-in web server. \u00a0However, most web projects have friendly URLs these days which are either Apache (mod_rewrite) or Nginx specific configuration. \u00a0This almost renders built-in PHP web server useless. \u00a0Unless you provide a PHP-based routing, like so: Start the PHP web server with\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":28842,"url":"https:\/\/mamchenkov.net\/wordpress\/2018\/10\/09\/php-excel-templator\/","url_meta":{"origin":28340,"position":3},"title":"PHP Excel Templator","author":"Leonid Mamchenkov","date":"October 9, 2018","format":false,"excerpt":"PHP Excel Templator is a PHP library that helps with generating Excel files based on the templates and placeholders.\u00a0 The documentation shows a few examples which look surprisingly short. Found via this article (in Russian).","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/mamchenkov.net\/wordpress\/wp-content\/uploads\/2018\/10\/php-excel-500x244.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":18618,"url":"https:\/\/mamchenkov.net\/wordpress\/2013\/09\/20\/php-5-4-0-built-in-web-server\/","url_meta":{"origin":28340,"position":4},"title":"PHP 5.4.0 : Built-in web server","author":"Leonid Mamchenkov","date":"September 20, 2013","format":"link","excerpt":"PHP 5.4.0 : Built-in web server","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":28432,"url":"https:\/\/mamchenkov.net\/wordpress\/2018\/03\/14\/http-2-server-push-with-php\/","url_meta":{"origin":28340,"position":5},"title":"HTTP\/2 Server Push with PHP","author":"Leonid Mamchenkov","date":"March 14, 2018","format":false,"excerpt":"A few days ago I blogged about the exciting news from the Nginx about the support for HTTP\/2 Server Push.\u00a0 It's good to see that this is getting picked up pretty fast.\u00a0 Here are a couple of examples: HTTP\/2 Server Push (with PHP and the Symfony HttpKernel) Using HTTP\/2 Server\u2026","rel":"","context":"In &quot;All&quot;","block_context":{"text":"All","link":"https:\/\/mamchenkov.net\/wordpress\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts\/28340","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/comments?post=28340"}],"version-history":[{"count":0,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/posts\/28340\/revisions"}],"wp:attachment":[{"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/media?parent=28340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/categories?post=28340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/tags?post=28340"},{"taxonomy":"keyring_services","embeddable":true,"href":"https:\/\/mamchenkov.net\/wordpress\/wp-json\/wp\/v2\/keyring_services?post=28340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}