3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '{ "config": { "cache-files-ttl": 0, "discard-changes": true }, "minimum-stability": "stable", "prefer-stable": false, "provide": { "heroku-sys/cedar": "14.2016.03.22" }, "repositories": [ { "packagist.org": false }, { "type": "package", "package": [ { "type": "metapackage", "name": "anthonymartin/geo-location", "version": "v1.0.0", "require": { "heroku-sys/php": ">=5.3.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "aws/aws-sdk-php", "version": "3.9.4", "require": { "heroku-sys/php": ">=5.5" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "cloudinary/cloudinary_php", "version": "dev-master", "require": { "heroku-sys/ext-curl": "*", "heroku-sys/ext-json": "*", "heroku-sys/php": ">=5.3.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "doctrine/annotations", "version": "v1.2.7", "require": { "heroku-sys/php": ">=5.3.2" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "doctrine/cache", "version": "v1.6.0", "require": { "heroku-sys/php": "~5.5|~7.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "doctrine/collections", "version": "v1.3.0", "require": { "heroku-sys/php": ">=5.3.2" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "doctrine/common", "version": "v2.6.1", "require": { "heroku-sys/php": "~5.5|~7.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "doctrine/inflector", "version": "v1.1.0", "require": { "heroku-sys/php": ">=5.3.2" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "doctrine/lexer", "version": "v1.0.1", "require": { "heroku-sys/php": ">=5.3.2" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "geoip/geoip", "version": "v1.16", "require": [], "replace": [], "provide": [], "conflict": { "heroku-sys/ext-geoip": "*" } }, { "type": "metapackage", "name": "giggsey/libphonenumber-for-php", "version": "7.2.5", "require": { "heroku-sys/ext-mbstring": "*" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "guzzlehttp/guzzle", "version": "5.3.0", "require": { "heroku-sys/php": ">=5.4.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "guzzlehttp/promises", "version": "1.0.3", "require": { "heroku-sys/php": ">=5.5.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "guzzlehttp/psr7", "version": "1.2.3", "require": { "heroku-sys/php": ">=5.4.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "guzzlehttp/ringphp", "version": "1.1.0", "require": { "heroku-sys/php": ">=5.4.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "guzzlehttp/streams", "version": "3.0.0", "require": { "heroku-sys/php": ">=5.4.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "hipchat/hipchat-php", "version": "v1.4", "require": { "heroku-sys/php": ">=5.3.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "kriswallsmith/buzz", "version": "v0.15", "require": { "heroku-sys/php": ">=5.3.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "league/csv", "version": "8.0.0", "require": { "heroku-sys/ext-mbstring": "*", "heroku-sys/php": ">=5.5.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "league/fractal", "version": "0.13.0", "require": { "heroku-sys/php": ">=5.4" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "mashape/unirest-php", "version": "1.2.1", "require": { "heroku-sys/ext-curl": "*", "heroku-sys/ext-json": "*", "heroku-sys/php": ">=5.3.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "mtdowling/jmespath.php", "version": "2.3.0", "require": { "heroku-sys/php": ">=5.4.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "palex/phpstructureddata", "version": "v2.0.1", "require": { "heroku-sys/php": ">=5.3.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "psr/http-message", "version": "1.0", "require": { "heroku-sys/php": ">=5.3.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "react/promise", "version": "v2.2.1", "require": { "heroku-sys/php": ">=5.4.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "rollbar/rollbar", "version": "v0.15.0", "require": { "heroku-sys/ext-curl": "*" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "ronanguilloux/isocodes", "version": "1.2.0", "require": { "heroku-sys/ext-bcmath": "*", "heroku-sys/php": ">=5.4.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "sendgrid/sendgrid", "version": "2.1.1", "require": { "heroku-sys/php": ">=5.3" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "sendgrid/smtpapi", "version": "0.0.1", "require": { "heroku-sys/php": ">=5.3" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "symfony/css-selector", "version": "v2.8.2", "require": { "heroku-sys/php": ">=5.3.9" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "symfony/http-foundation", "version": "v2.8.2", "require": { "heroku-sys/php": ">=5.3.9" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "symfony/polyfill-php54", "version": "v1.1.0", "require": { "heroku-sys/php": ">=5.3.3" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "symfony/polyfill-php55", "version": "v1.1.0", "require": { "heroku-sys/php": ">=5.3.3" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "thepixeldeveloper/sitemap", "version": "3.0.0", "require": { "heroku-sys/php": ">=5.3.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "tijsverkoyen/css-to-inline-styles", "version": "1.5.5", "require": { "heroku-sys/php": ">=5.3.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "yiisoft/yii", "version": "1.1.17", "require": { "heroku-sys/php": ">=5.1.0" }, "replace": [], "provide": [], "conflict": [] }, { "type": "metapackage", "name": "composer.json/composer.lock", "version": "dev-597511d6d51b96e4a8afeba2c79982e5", "require": { "heroku-sys/php": "~5.6.0", "heroku-sys/ext-newrelic": "*", "heroku-sys/ext-gd": "*", "heroku-sys/ext-redis": "*" }, "replace": [], "provide": [], "conflict": [] } ] } ], "require": { "composer.json/composer.lock": "dev-597511d6d51b96e4a8afeba2c79982e5", "anthonymartin/geo-location": "v1.0.0", "aws/aws-sdk-php": "3.9.4", "cloudinary/cloudinary_php": "dev-master", "doctrine/annotations": "v1.2.7", "doctrine/cache": "v1.6.0", "doctrine/collections": "v1.3.0", "doctrine/common": "v2.6.1", "doctrine/inflector": "v1.1.0", "doctrine/lexer": "v1.0.1", "geoip/geoip": "v1.16", "giggsey/libphonenumber-for-php": "7.2.5", "guzzlehttp/guzzle": "5.3.0", "guzzlehttp/promises": "1.0.3", "guzzlehttp/psr7": "1.2.3", "guzzlehttp/ringphp": "1.1.0", "guzzlehttp/streams": "3.0.0", "hipchat/hipchat-php": "v1.4", "kriswallsmith/buzz": "v0.15", "league/csv": "8.0.0", "league/fractal": "0.13.0", "mashape/unirest-php": "1.2.1", "mtdowling/jmespath.php": "2.3.0", "palex/phpstructureddata": "v2.0.1", "psr/http-message": "1.0", "react/promise": "v2.2.1", "rollbar/rollbar": "v0.15.0", "ronanguilloux/isocodes": "1.2.0", "sendgrid/sendgrid": "2.1.1", "sendgrid/smtpapi": "0.0.1", "symfony/css-selector": "v2.8.2", "symfony/http-foundation": "v2.8.2", "symfony/polyfill-php54": "v1.1.0", "symfony/polyfill-php55": "v1.1.0", "thepixeldeveloper/sitemap": "3.0.0", "tijsverkoyen/css-to-inline-styles": "1.5.5", "yiisoft/yii": "1.1.17", "heroku-sys/apache": "^2.4.10", "heroku-sys/nginx": "~1.8.0" } }'; $res = preg_match('{(?(DEFINE) (?<number> -? (?= [1-9]|0(?!\d) ) \d+ (\.\d+)? ([eE] [+-]? \d+)? ) (?<boolean> true | false | null ) (?<string> " ([^"\\\\]* | \\\\ ["\\\\bfnrt\/] | \\\\ u [0-9a-f]{4} )* " ) (?<array> \[ (?: (?&json) \s* (?: , (?&json) \s* )* )? \s* \] ) (?<pair> \s* (?&string) \s* : (?&json) \s* ) (?<object> \{ (?: (?&pair) (?: , (?&pair) )* )? \s* \} ) (?<json> \s* (?: (?&number) | (?&boolean) | (?&string) | (?&array) | (?&object) ) ) ) ^(?P<start>\s*\{\s*(?:(?&string)\s*:\s*(?&json)\s*,\s*)*?) (?P<property>'.preg_quote('"require"').'\s*:\s*)(?P<value>(?&json))(?P<end>.*)}sx', $str, $match); var_dump($res, $match['value'], preg_last_error() == PREG_JIT_STACKLIMIT_ERROR);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0110.01118.81
8.3.50.0070.00718.86
8.3.40.0060.01019.17
8.3.30.0070.01119.29
8.3.20.0040.00419.38
8.3.10.0080.00821.27
8.3.00.0080.00023.67
8.2.180.0130.00317.38
8.2.170.0200.00022.96
8.2.160.0060.00920.69
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00019.95
8.2.120.0040.00426.16
8.2.110.0000.00921.25
8.2.100.0110.00718.38
8.2.90.0050.00319.59
8.2.80.0060.00318.00
8.2.70.0030.00618.18
8.2.60.0050.00318.28
8.2.50.0030.00618.10
8.2.40.0000.00819.67
8.2.30.0030.00619.75
8.2.20.0050.00218.51
8.2.10.0030.00620.05
8.2.00.0040.00419.85
8.1.280.0040.01125.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0030.00624.08
8.1.230.0030.00918.27
8.1.220.0040.00418.26
8.1.210.0060.00318.77
8.1.200.0040.00717.84
8.1.190.0030.00617.72
8.1.180.0050.00318.10
8.1.170.0040.00419.00
8.1.160.0040.00419.29
8.1.150.0040.00419.24
8.1.140.0040.00418.10
8.1.130.0070.00019.44
8.1.120.0050.00217.93
8.1.110.0090.00017.80
8.1.100.0050.00317.80
8.1.90.0000.01017.79
8.1.80.0050.00217.93
8.1.70.0050.00317.93
8.1.60.0040.00717.87
8.1.50.0030.01018.00
8.1.40.0030.00817.97
8.1.30.0000.00818.13
8.1.20.0080.00018.09
8.1.10.0030.00718.03
8.1.00.0090.00017.95
8.0.300.0040.00418.77
8.0.290.0040.00417.25
8.0.280.0000.00818.77
8.0.270.0000.00717.62
8.0.260.0000.00717.57
8.0.250.0040.00417.38
8.0.240.0000.00717.30
8.0.230.0050.00217.34
8.0.220.0090.00317.32
8.0.210.0080.00017.40
8.0.200.0040.00417.36
8.0.190.0000.00817.29
8.0.180.0040.00417.25
8.0.170.0030.00617.39
8.0.160.0070.00417.37
8.0.150.0000.00717.16
8.0.140.0040.00417.31
8.0.130.0000.00713.77
8.0.120.0000.00817.37
8.0.110.0000.00717.44
8.0.100.0070.00017.51
8.0.90.0000.00817.36
8.0.80.0030.01517.41
8.0.70.0040.00417.21
8.0.60.0040.00417.23
8.0.50.0040.00417.27
8.0.30.0100.00917.60
8.0.20.0050.01717.68
8.0.10.0000.00817.36
8.0.00.0030.01617.24
7.4.330.0050.00015.55
7.4.320.0030.00317.08
7.4.300.0060.00017.07
7.4.290.0030.00317.16
7.4.280.0040.00417.06
7.4.270.0000.00717.15
7.4.260.0000.00716.98
7.4.250.0080.00016.99
7.4.240.0070.00016.95
7.4.230.0000.00716.96
7.4.220.0040.00416.97
7.4.210.0050.01117.10
7.4.200.0070.00016.92
7.4.160.0080.01017.07
7.4.140.0120.00817.86
7.4.130.0030.01417.23
7.4.120.0100.00916.93
7.4.110.0130.01316.87
7.4.100.0070.01017.18
7.4.90.0060.01217.02
7.4.80.0070.01319.39
7.4.70.0030.01517.14
7.4.60.0080.01116.87
7.4.50.0060.01016.97
7.4.40.0110.00717.05
7.4.00.0090.00315.38
7.3.330.0060.00013.55
7.3.320.0000.00713.55
7.3.310.0070.00016.64
7.3.300.0070.00016.68
7.3.290.0070.00016.67
7.3.280.0070.01016.61
7.3.260.0090.01116.86
7.3.240.0090.00816.88
7.3.230.0080.00816.99
7.3.210.0090.00917.05
7.3.200.0030.01416.71
7.3.190.0080.00816.64
7.3.180.0090.00916.92
7.3.170.0100.01116.87
7.3.160.0100.01016.71
7.3.10.0100.00317.00
7.3.00.0040.01117.02
7.2.330.0040.01516.94
7.2.320.0090.01516.73
7.2.310.0110.00816.88
7.2.300.0090.00916.92
7.2.290.0220.00017.09
7.2.130.0060.00617.14
7.2.120.0040.00717.29
7.2.110.0040.00817.01
7.2.100.0060.00917.10
7.2.90.0130.00317.13
7.2.80.0030.01316.90
7.2.70.0040.00717.27
7.2.60.0060.00916.29
7.2.50.0140.00716.26
7.2.40.0100.00616.04
7.2.30.0060.00816.17
7.2.20.0060.00916.17
7.2.10.0110.00616.21
7.2.00.0050.01416.34
7.1.250.0030.01016.14
7.1.200.0030.01015.87
7.1.170.0120.00614.14
7.1.160.0110.00914.29
7.1.150.0160.00314.27
7.1.140.0150.00314.06
7.1.130.0160.00914.32
7.1.120.0180.00914.24
7.1.110.0150.00914.30
7.1.100.0170.01014.36
7.1.90.0160.00314.22
7.1.80.0150.00314.27
7.1.70.0150.00414.33
7.1.60.0270.01432.13
7.1.50.0300.00732.31
7.1.40.0240.01732.23
7.1.30.0260.01331.88
7.1.20.0190.02232.26
7.1.10.0160.00314.21
7.1.00.0150.00614.18
preferences:
63.78 ms | 400 KiB | 5 Q