3v4l.org

run code in 300+ PHP versions simultaneously
<?php $closure1 = function(integer $param1) { return $param1 * 2; }; $closure2 = function(string $param1) { return mb_strlen($param1); }; foreach (['preg_replace', $closure1, $closure2] as &$func) { $reflection = new ReflectionFunction($func); if (version_compare(PHP_VERSION, '7.0.0') >= 0) { echo $reflection->getReturnType()." "; } echo $reflection->getName()." ["; foreach($reflection->getParameters() as &$param) { // PHP 7.0+ required for get type if (version_compare(PHP_VERSION, '7.0.0') >= 0) { if ($param->hasType()) { echo $param->getType().($param->allowsNull() ? '|null' : '')." "; } } echo ($param->isOptional() ? '[' : '').$param->getName().($param->isOptional() ? ']' : ''); echo "; "; } echo "]"; echo "\n\n\n"; } ?>

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)
8.3.60.0110.00716.63
8.3.50.0070.00718.18
8.3.40.0110.01118.70
8.3.30.0090.00618.85
8.3.20.0040.00420.24
8.3.10.0080.00021.60
8.3.00.0040.00421.75
8.2.180.0100.01016.63
8.2.170.0070.01122.96
8.2.160.0070.00721.06
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0020.00522.16
8.2.120.0030.00526.35
8.2.110.0030.00721.13
8.2.100.0080.00418.22
8.2.90.0050.00319.34
8.2.80.0030.00518.16
8.2.70.0060.00317.63
8.2.60.0000.00818.05
8.2.50.0040.00418.10
8.2.40.0000.00822.27
8.2.30.0030.00521.07
8.2.20.0080.00018.07
8.2.10.0030.00518.16
8.2.00.0070.00018.15
8.1.280.0210.00325.92
8.1.270.0040.00420.70
8.1.260.0000.00826.35
8.1.250.0050.00228.09
8.1.240.0090.00023.97
8.1.230.0040.00820.68
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0060.00317.36
8.1.180.0040.00418.10
8.1.170.0030.00520.37
8.1.160.0080.00018.98
8.1.150.0040.00420.21
8.1.140.0040.00419.48
8.1.130.0000.00717.54
8.1.120.0050.00317.48
8.1.110.0040.00417.50
8.1.100.0000.00817.49
8.1.90.0000.00717.55
8.1.80.0030.00317.48
8.1.70.0000.00717.41
8.1.60.0030.00617.52
8.1.50.0000.00817.55
8.1.40.0000.01217.61
8.1.30.0040.00417.63
8.1.20.0040.00417.59
8.1.10.0080.00017.56
8.1.00.0040.00417.55
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0030.00318.41
8.0.270.0000.00817.23
8.0.260.0040.00416.82
8.0.250.0000.00717.02
8.0.240.0000.00816.98
8.0.230.0070.00017.05
8.0.220.0070.00017.02
8.0.210.0000.00717.05
8.0.200.0030.00316.97
8.0.190.0050.00316.97
8.0.180.0000.00717.07
8.0.170.0000.00716.97
8.0.160.0040.00417.04
8.0.150.0000.00716.81
8.0.140.0080.00416.98
8.0.130.0000.00613.45
8.0.120.0070.00017.00
8.0.110.0040.00416.97
8.0.100.0000.00716.96
8.0.90.0030.00516.93
8.0.80.0110.00617.00
8.0.70.0000.00816.87
8.0.60.0000.00716.95
8.0.50.0040.00417.04
8.0.30.0100.00917.03
8.0.20.0170.00817.40
8.0.10.0000.00717.17
8.0.00.0100.00716.79
7.4.330.0000.00615.55
7.4.320.0030.00316.46
7.4.300.0000.00716.68
7.4.290.0000.00816.60
7.4.280.0040.00416.48
7.4.270.0040.00416.63
7.4.260.0040.00416.53
7.4.250.0000.00716.46
7.4.240.0000.00716.61
7.4.230.0040.00416.67
7.4.220.0120.01416.59
7.4.210.0150.00616.50
7.4.200.0070.00016.56
7.4.160.0090.00816.67
7.4.150.0070.01117.40
7.4.140.0090.01417.86
7.4.130.0080.01016.58
7.4.120.0090.01116.56
7.4.110.0030.01416.51
7.4.100.0070.01716.31
7.4.90.0120.00616.54
7.4.80.0030.01319.39
7.4.70.0080.00816.73
7.4.60.0080.00816.46
7.4.50.0040.01116.70
7.4.40.0130.00916.61
7.4.30.0060.00916.62
7.4.00.0100.00715.24
7.3.330.0030.00313.25
7.3.320.0000.00513.36
7.3.310.0000.00716.35
7.3.300.0030.00316.33
7.3.290.0040.01016.31
7.3.280.0090.00916.30
7.3.270.0090.00917.40
7.3.260.0120.00516.50
7.3.250.0100.00916.50
7.3.240.0110.00816.46
7.3.230.0030.01516.46
7.3.210.0150.00316.58
7.3.200.0140.00316.55
7.3.190.0140.00316.33
7.3.180.0130.00416.54
7.3.170.0070.01116.40
7.3.160.0060.00916.37
7.3.120.0050.01415.00
7.3.110.0070.01014.97
7.3.100.0050.00714.88
7.3.90.0060.00514.81
7.3.80.0050.01114.86
7.3.70.0020.01014.76
7.3.60.0060.00914.71
7.3.50.0040.01114.57
7.3.40.0050.00714.77
7.3.30.0090.00714.73
7.3.20.0100.00416.64
7.3.10.0070.00616.67
7.3.00.0050.00916.56
7.2.330.0070.01016.85
7.2.320.0060.01216.89
7.2.310.0030.01216.82
7.2.300.0090.00916.77
7.2.290.0100.01016.50
7.2.250.0070.01015.13
7.2.240.0100.01015.26
7.2.230.0010.01415.31
7.2.220.0050.01115.22
7.2.210.0040.00715.18
7.2.200.0080.00615.11
7.2.190.0050.01015.07
7.2.180.0050.00714.97
7.2.170.0020.01215.11
7.2.60.0080.00816.75
7.2.00.0040.01119.43
7.1.330.0100.00515.92
7.1.320.0060.00515.83
7.1.310.0060.00815.69
7.1.300.0080.00415.49
7.1.290.0000.01115.77
7.1.280.0110.00315.87
7.1.270.0070.00715.98
7.1.260.0070.00815.73
7.1.200.0090.00315.69
7.1.70.0040.00417.21
7.1.60.0040.01116.93
7.1.50.0100.01316.59
7.1.40.0270.01034.20
7.1.30.0230.01334.20
7.1.20.0200.01734.62
7.1.10.0030.01016.51
7.1.00.0030.01016.71
7.0.200.0030.00916.90
7.0.180.0070.01016.17
7.0.170.0070.01016.20
7.0.160.0070.01015.96
7.0.150.0030.01015.96
7.0.140.0070.01016.27
7.0.130.0030.00716.54
7.0.120.0030.00716.29
7.0.110.0000.01316.41
7.0.100.0000.01016.38
7.0.90.0030.00716.35
7.0.80.0030.00716.29
7.0.70.0030.01016.20
7.0.60.0070.00716.20
7.0.50.0030.01716.27
7.0.40.0100.01716.39
7.0.30.0070.01016.30
7.0.20.0130.01016.24
7.0.10.0000.01316.24
7.0.00.0070.01016.48

preferences:
67.29 ms | 400 KiB | 5 Q