3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x { public $a = [ '~.~' => '$this->waa($0);' ]; function p($s) { foreach($this->a as $p => $r) { $s = preg_replace_callback($p, function($m) use ($s){ $c = preg_replace('~\$(\d)~', '$m[$1]', $s); print "\n$c\n"; return eval($c); }, $s); } return $s; } function waa($t){ return '*'.$t.'*'; } } var_dump((new x)->p('wazup'));

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)
8.3.60.0150.00417.00
8.3.50.0140.00716.42
8.3.40.0090.00618.93
8.3.30.0110.01119.09
8.3.20.0050.00220.33
8.3.10.0050.00321.76
8.3.00.0050.00321.74
8.2.180.0140.00716.88
8.2.170.0110.00322.96
8.2.160.0070.00720.37
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0040.00420.95
8.2.120.0080.00026.35
8.2.110.0060.00319.19
8.2.100.0060.00618.09
8.2.90.0000.00819.03
8.2.80.0080.00017.97
8.2.70.0030.00617.86
8.2.60.0090.00018.04
8.2.50.0050.00318.07
8.2.40.0100.00022.36
8.2.30.0030.00519.35
8.2.20.0060.00517.88
8.2.10.0000.00718.09
8.2.00.0080.00018.20
8.1.280.0110.00425.92
8.1.270.0080.00822.05
8.1.260.0060.00328.09
8.1.250.0000.00828.09
8.1.240.0090.00021.25
8.1.230.0080.00317.58
8.1.220.0030.00517.74
8.1.210.0030.00618.77
8.1.200.0060.00317.48
8.1.190.0090.00017.35
8.1.180.0000.00918.10
8.1.170.0000.00918.63
8.1.160.0000.01020.76
8.1.150.0000.00820.70
8.1.140.0060.00319.55
8.1.130.0040.00417.64
8.1.120.0040.00417.67
8.1.110.0060.00317.66
8.1.100.0080.00017.65
8.1.90.0030.00617.61
8.1.80.0040.00417.52
8.1.70.0030.00317.64
8.1.60.0070.00017.74
8.1.50.0040.00417.66
8.1.40.0050.00317.59
8.1.30.0040.00417.86
8.1.20.0000.00817.83
8.1.10.0040.00417.61
8.1.00.0070.00017.52
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0000.00718.52
8.0.270.0030.00317.21
8.0.260.0060.00017.20
8.0.250.0000.00717.16
8.0.240.0030.00317.05
8.0.230.0000.00717.07
8.0.220.0040.00416.99
8.0.210.0000.00717.06
8.0.200.0070.00017.12
8.0.190.0040.00417.07
8.0.180.0070.00017.09
8.0.170.0030.00517.14
8.0.160.0030.00317.23
8.0.150.0030.00517.01
8.0.140.0070.00017.01
8.0.130.0030.00313.55
8.0.120.0030.00517.09
8.0.110.0000.00816.94
8.0.100.0040.00417.07
8.0.90.0070.00017.13
8.0.80.0090.01217.03
8.0.70.0000.00917.05
8.0.60.0030.00616.93
8.0.50.0030.00517.13
8.0.30.0080.01017.36
8.0.20.0100.01417.40
8.0.10.0000.00817.11
8.0.00.0130.00516.91
7.4.330.0000.00516.72
7.4.320.0000.00616.70
7.4.300.0040.00416.71
7.4.290.0050.00216.63
7.4.280.0030.00516.80
7.4.270.0030.00316.86
7.4.260.0040.00416.81
7.4.250.0000.00716.60
7.4.240.0000.00716.77
7.4.230.0030.00516.82
7.4.220.0060.00916.82
7.4.210.0120.00616.66
7.4.200.0030.00316.81
7.4.160.0160.00016.88
7.4.150.0170.00317.40
7.4.140.0120.01217.86
7.4.130.0100.00916.80
7.4.120.0100.00716.75
7.4.110.0030.01316.70
7.4.100.0080.00916.77
7.4.90.0070.01016.74
7.4.80.0150.01219.39
7.4.70.0140.00916.56
7.4.60.0080.01116.74
7.4.50.0030.01316.84
7.4.40.0060.01016.61
7.4.30.0090.01416.45
7.4.10.0030.01315.35
7.4.00.0060.01215.26
7.3.330.0000.00713.54
7.3.320.0070.00013.54
7.3.310.0050.00216.55
7.3.300.0030.00316.47
7.3.290.0080.01016.59
7.3.280.0100.00816.55
7.3.270.0060.01217.40
7.3.260.0070.01116.54
7.3.250.0090.00916.65
7.3.240.0100.00816.74
7.3.230.0070.01016.50
7.3.210.0060.01216.79
7.3.200.0080.00919.39
7.3.190.0130.00316.54
7.3.180.0120.01016.66
7.3.170.0100.01016.52
7.3.160.0070.01016.64
7.3.130.0100.01015.00
7.3.120.0140.00714.91
7.3.110.0100.00915.17
7.3.100.0120.00315.25
7.3.90.0060.00915.22
7.3.80.0090.00615.03
7.3.70.0080.00814.95
7.3.60.0120.00014.91
7.3.50.0030.01014.89
7.3.40.0030.01015.15
7.3.30.0070.00715.14
7.3.20.0060.00616.99
7.3.10.0060.00816.84
7.3.00.0070.00416.65
7.2.330.0070.01016.89
7.2.320.0090.00916.68
7.2.310.0070.01016.80
7.2.300.0070.01016.91
7.2.290.0130.00316.87
7.2.260.0120.00615.47
7.2.250.0070.01515.15
7.2.240.0070.00715.04
7.2.230.0040.00715.30
7.2.220.0030.00615.37
7.2.210.0040.01115.25
7.2.200.0000.01015.26
7.2.190.0040.00815.37
7.2.180.0030.00615.20
7.2.170.0000.01315.24
7.2.160.0060.00914.91
7.2.150.0120.00616.78
7.2.140.0070.00717.14
7.2.130.0050.00817.16
7.2.120.0050.00817.01
7.2.110.0020.01217.15
7.2.100.0050.00516.96
7.2.90.0090.00617.29
7.2.80.0070.00817.13
7.2.70.0080.00517.23
7.2.60.0080.00717.11
7.2.50.0050.00817.12
7.2.40.0050.00617.22
7.2.30.0060.00817.11
7.2.20.0040.01117.13
7.2.10.0040.00917.27
7.2.00.0070.00718.00
7.1.330.0070.00716.15
7.1.320.0060.00616.11
7.1.310.0070.00716.23
7.1.300.0030.01016.17
7.1.290.0120.00315.72
7.1.280.0040.01115.96
7.1.270.0060.00315.86
7.1.260.0000.00916.05
7.1.250.0040.00916.09
7.1.240.0150.00016.15
7.1.230.0030.00715.79
7.1.220.0050.00315.78
7.1.210.0080.00815.99
7.1.200.0070.00116.00
7.1.190.0000.01415.97
7.1.180.0150.00415.73
7.1.170.0030.01016.16
7.1.160.0100.00315.97
7.1.150.0100.00016.02
7.1.140.0000.01016.13
7.1.130.0030.01316.11
7.1.120.0040.00815.99
7.1.110.0060.00616.00
7.1.100.0090.00417.18
7.1.90.0030.01316.10
7.1.80.0060.00316.09
7.1.70.0020.00916.70
7.1.60.0040.01217.62
7.1.50.0040.00916.58
7.1.40.0070.00415.89
7.1.30.0030.00616.00
7.1.20.0030.00615.68
7.1.10.0030.01016.05
7.1.00.0040.05019.22
7.0.330.0030.00715.71
7.0.320.0050.00515.41
7.0.310.0040.00415.73
7.0.300.0030.00615.65
7.0.290.0060.01015.62
7.0.280.0050.00515.40
7.0.270.0030.00915.61
7.0.260.0000.00815.48
7.0.250.0080.00415.70
7.0.240.0090.00315.70
7.0.230.0070.00315.77
7.0.220.0070.00415.45
7.0.210.0060.00615.67
7.0.200.0020.00816.16
7.0.190.0060.00615.78
7.0.180.0080.00415.44
7.0.170.0040.00415.73
7.0.160.0030.00915.39
7.0.150.0000.01115.55
7.0.140.0030.01515.68
7.0.130.0080.00015.70
7.0.120.0000.00915.68
7.0.110.0040.00815.61
7.0.100.0060.00615.61
7.0.90.0080.00415.66
7.0.80.0040.01115.59
7.0.70.0040.00715.71
7.0.60.0080.03518.68
7.0.50.0120.03516.88
7.0.40.0030.04817.01
7.0.30.0150.04516.96
7.0.20.0250.03316.90
7.0.10.0070.03416.74
7.0.00.0050.04216.90
5.6.400.0040.00414.23
5.6.390.0000.01014.61
5.6.380.0030.01014.57
5.6.370.0070.00314.20
5.6.360.0040.00414.63
5.6.350.0030.00614.43
5.6.340.0030.00814.37
5.6.330.0030.00914.61
5.6.320.0070.00414.55
5.6.310.0060.00614.73
5.6.300.0110.00314.55
5.6.290.0130.00314.28
5.6.280.0030.04017.88
5.6.270.0070.00714.20
5.6.260.0040.00414.18
5.6.250.0080.00414.38
5.6.240.0040.00714.60
5.6.230.0060.00914.49
5.6.220.0040.00814.61
5.6.210.0110.01817.54
5.6.200.0050.03816.37
5.6.190.0040.04417.41
5.6.180.0230.04217.42
5.6.170.0230.03817.38
5.6.160.0020.03617.51
5.6.150.0070.04316.42
5.6.140.0080.02716.40
5.6.130.0070.04516.32
5.6.120.0050.04017.70
5.6.110.0070.04417.70
5.6.100.0140.04217.92
5.6.90.0060.02317.77
5.6.80.0060.04217.39
5.6.70.0070.00714.29
5.6.60.0070.00314.29
5.6.50.0000.01014.46
5.6.40.0070.00714.26
5.6.30.0090.00614.36
5.6.20.0060.00614.62
5.6.10.0040.00714.45
5.6.00.0040.00814.43
5.5.380.0110.00414.31
5.5.370.0030.00614.36
5.5.360.0030.01014.29
5.5.350.1990.02217.43
5.5.340.0060.04016.11
5.5.330.0020.03817.52
5.5.320.0210.02617.37
5.5.310.0080.02617.48
5.5.300.0080.03016.11
5.5.290.0030.04816.25
5.5.280.0110.04117.50
5.5.270.0080.03717.62
5.5.260.0020.04817.63
5.5.250.0070.04917.54
5.5.240.0180.03317.21
5.5.230.0040.00414.18
5.5.220.0090.00014.23
5.5.210.0000.01114.09
5.5.200.0060.00314.29
5.5.190.0000.01214.10
5.5.180.0040.01114.32
5.5.170.0090.00314.13
5.5.160.0040.01114.15
5.5.150.0040.00814.18
5.5.140.0030.00913.98
5.5.130.0100.00314.10
5.5.120.0060.00614.62
5.5.110.0000.01314.39
5.5.100.0030.00714.64
5.5.90.0030.01014.37
5.5.80.0070.00713.90
5.5.70.0070.00713.91
5.5.60.0030.00714.32
5.5.50.0040.01113.88
5.5.40.0030.00914.63
5.5.30.0070.00414.50
5.5.20.0070.00714.41
5.5.10.0070.00713.77
5.5.00.0040.01114.18

preferences:
56.04 ms | 400 KiB | 5 Q