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) { if ((version_compare(PHP_VERSION, '7.0.0') >= 0) and $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)
8.3.60.0120.00616.88
8.3.50.0120.00721.93
8.3.40.0150.00019.02
8.3.30.0150.00018.59
8.3.20.0040.00420.16
8.3.10.0040.00421.88
8.3.00.0040.00421.87
8.2.180.0100.01016.50
8.2.170.0090.00622.96
8.2.160.0070.01021.10
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00422.25
8.2.120.0040.00426.35
8.2.110.0050.00522.21
8.2.100.0060.00619.58
8.2.90.0040.00418.34
8.2.80.0040.00419.15
8.2.70.0030.00617.50
8.2.60.0060.00717.93
8.2.50.0040.00417.88
8.2.40.0090.00019.35
8.2.30.0080.00021.04
8.2.20.0040.00418.10
8.2.10.0070.00018.26
8.2.00.0000.00718.34
8.1.280.0110.00725.92
8.1.270.0000.00820.84
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0080.00022.06
8.1.230.0000.01120.89
8.1.220.0050.00317.74
8.1.210.0000.00818.93
8.1.200.0000.01217.47
8.1.190.0090.00017.35
8.1.180.0040.00418.10
8.1.170.0000.00817.62
8.1.160.0000.00718.79
8.1.150.0040.00420.21
8.1.140.0020.00519.51
8.1.130.0070.00019.03
8.1.120.0040.00417.50
8.1.110.0060.00317.38
8.1.100.0040.00417.52
8.1.90.0000.00717.52
8.1.80.0000.00817.47
8.1.70.0000.00717.49
8.1.60.0040.00417.55
8.1.50.0040.00417.46
8.1.40.0110.00017.51
8.1.30.0040.00417.58
8.1.20.0000.00817.66
8.1.10.0000.00817.64
8.1.00.0080.00017.60
8.0.300.0080.00020.04
8.0.290.0060.00316.75
8.0.280.0070.00018.47
8.0.270.0050.00317.34
8.0.260.0000.00619.02
8.0.250.0070.00016.93
8.0.240.0040.00417.10
8.0.230.0000.00717.11
8.0.220.0050.00316.95
8.0.210.0080.00016.94
8.0.200.0030.00317.02
8.0.190.0000.00717.05
8.0.180.0050.00216.86
8.0.170.0030.00316.96
8.0.160.0050.00317.00
8.0.150.0000.00716.93
8.0.140.0000.00916.85
8.0.130.0060.00013.46
8.0.120.0000.00716.97
8.0.110.0000.00716.89
8.0.100.0040.00416.98
8.0.90.0070.00016.93
8.0.80.0100.00616.93
8.0.70.0040.00416.86
8.0.60.0000.00716.86
8.0.50.0040.00416.83
8.0.30.0110.00817.24
8.0.20.0110.00717.41
8.0.10.0000.00716.96
8.0.00.0130.00416.87
7.4.330.0000.00515.55
7.4.320.0000.00616.52
7.4.300.0030.00316.62
7.4.290.0030.00316.69
7.4.280.0040.00416.57
7.4.270.0030.00316.53
7.4.260.0040.00416.63
7.4.250.0000.00716.52
7.4.240.0030.00316.61
7.4.230.0000.00716.65
7.4.220.0200.00316.59
7.4.210.0070.01316.57
7.4.200.0040.00416.63
7.4.160.0080.00816.54
7.4.150.0200.00017.40
7.4.140.0130.01017.86
7.4.130.0150.00416.56
7.4.120.0100.01116.54
7.4.110.0070.01116.80
7.4.100.0030.01416.45
7.4.90.0060.01516.63
7.4.80.0070.01119.39
7.4.70.0100.00716.38
7.4.60.0110.00416.70
7.4.50.0040.01416.59
7.4.40.0060.01316.69
7.4.30.0120.00916.68
7.4.00.0000.01815.09
7.3.330.0060.00013.32
7.3.320.0060.00013.18
7.3.310.0090.00016.19
7.3.300.0030.00316.28
7.3.290.0090.00716.25
7.3.280.0120.00716.30
7.3.270.0070.01117.40
7.3.260.0040.01316.40
7.3.250.0130.00516.54
7.3.240.0070.01216.35
7.3.230.0190.00616.35
7.3.210.0090.00916.48
7.3.200.0070.01016.49
7.3.190.0090.00816.28
7.3.180.0080.00816.31
7.3.170.0100.01016.42
7.3.160.0110.00616.54
7.2.330.0130.00316.80
7.2.320.0120.00616.66
7.2.310.0030.01316.82
7.2.300.0100.01316.89
7.2.290.0090.01316.74
7.2.60.0070.01017.08
7.2.00.0060.00619.55
7.1.200.0000.00815.57
7.1.70.0040.00417.02
7.1.60.0030.00717.25
7.1.50.0130.01316.85
7.1.40.0130.01034.31
7.1.30.0200.00734.36
7.1.20.0130.01034.36
7.1.10.0100.00316.47
7.1.00.0000.01716.46
7.0.200.0030.01416.85
7.0.180.0030.01316.09
7.0.170.0030.00716.20
7.0.160.0030.00716.12
7.0.150.0000.01016.20
7.0.140.0030.01016.19
7.0.130.0030.01016.29
7.0.120.0030.01016.14
7.0.110.0000.01316.18
7.0.100.0070.00316.38
7.0.90.0030.01316.13
7.0.80.0170.01314.39
7.0.70.0100.00716.23
7.0.60.0070.00715.84
7.0.50.0170.01014.39
7.0.40.0130.01014.76
7.0.30.0170.00714.56
7.0.20.0000.01016.23
7.0.10.0000.01016.46
7.0.00.0030.00716.33

preferences:
68.49 ms | 401 KiB | 5 Q