3v4l.org

run code in 300+ PHP versions simultaneously
<?php //echo preg_replace('/(?:(?!dog).)++/', '<$0>', 'where my dog is now?'); echo preg_replace('/((?!ba).)*|ba(*SKIP)(*F)/', '<$0>', 'aabaabaaaaabbb');

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)
8.3.60.0130.00618.56
8.3.50.0130.00221.27
8.3.40.0060.01518.98
8.3.30.0160.00318.96
8.3.20.0040.00420.13
8.3.10.0000.00722.09
8.3.00.0000.00722.45
8.2.180.0120.00916.88
8.2.170.0060.00922.96
8.2.160.0030.01020.39
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0140.00326.16
8.2.120.0040.00419.89
8.2.110.0030.00920.43
8.2.100.0070.00419.38
8.2.90.0080.00019.07
8.2.80.0040.00419.24
8.2.70.0000.00817.75
8.2.60.0050.00317.93
8.2.50.0060.00318.07
8.2.40.0030.00618.22
8.2.30.0050.00217.93
8.2.20.0030.00517.84
8.2.10.0050.00317.78
8.2.00.0080.00017.80
8.1.280.0120.00325.92
8.1.270.0090.00020.41
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0030.00523.75
8.1.230.0090.00319.05
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00717.36
8.1.190.0040.00417.27
8.1.180.0000.00918.75
8.1.170.0000.00818.78
8.1.160.0040.00422.06
8.1.150.0040.00418.49
8.1.140.0000.00717.37
8.1.130.0030.00617.76
8.1.120.0000.00817.50
8.1.110.0000.00717.38
8.1.100.0050.00217.43
8.1.90.0040.00417.40
8.1.80.0070.00017.30
8.1.70.0030.00317.46
8.1.60.0040.00417.57
8.1.50.0030.00617.54
8.1.40.0030.00617.56
8.1.30.0030.00617.63
8.1.20.0040.00417.63
8.1.10.0000.00717.58
8.1.00.0110.00017.52
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0030.00318.30
8.0.270.0000.00717.20
8.0.260.0030.00316.95
8.0.250.0040.00417.08
8.0.240.0030.00517.12
8.0.230.0000.00716.91
8.0.220.0070.00016.98
8.0.210.0040.00416.99
8.0.200.0060.00017.02
8.0.190.0030.00617.00
8.0.180.0040.00417.02
8.0.170.0080.00016.97
8.0.160.0000.00716.93
8.0.150.0040.00416.99
8.0.140.0000.00716.96
8.0.130.0050.00013.35
8.0.120.0080.00016.82
8.0.110.0040.00416.89
8.0.100.0030.00516.95
8.0.90.0040.00416.97
8.0.80.0080.00816.96
8.0.70.0000.00816.91
8.0.60.0000.00816.76
8.0.50.0000.00816.75
8.0.30.0100.00917.25
8.0.20.0130.00517.40
8.0.10.0000.00716.88
8.0.00.0110.00616.82
7.4.330.0000.00515.00
7.4.320.0000.00616.57
7.4.300.0030.00316.57
7.4.290.0000.00716.66
7.4.280.0040.00416.66
7.4.270.0050.00316.53
7.4.260.0000.00716.66
7.4.250.0000.00716.63
7.4.240.0030.00316.62
7.4.230.0030.00316.37
7.4.220.0090.00916.78
7.4.210.0080.00916.53
7.4.200.0000.00716.48
7.4.190.0000.00716.71
7.4.160.0080.00816.45
7.4.150.0160.00317.40
7.4.140.0160.00617.86
7.4.130.0090.01616.59
7.4.120.0110.00916.61
7.4.110.0130.00316.46
7.4.100.0090.00916.51
7.4.90.0070.01116.52
7.4.80.0000.01719.39
7.4.70.0090.00616.59
7.4.60.0090.00916.66
7.4.50.0040.00416.64
7.4.40.0090.00322.77
7.4.30.0040.01216.50
7.4.00.0100.00614.91
7.3.330.0000.00513.06
7.3.320.0060.00013.07
7.3.310.0000.00716.38
7.3.300.0000.00716.36
7.3.290.0090.00616.29
7.3.280.0120.00516.33
7.3.270.0100.00817.40
7.3.260.0160.00316.40
7.3.250.0090.00916.45
7.3.240.0040.01416.53
7.3.230.0090.01516.44
7.3.210.0130.00316.36
7.3.200.0100.01019.39
7.3.190.0170.00316.34
7.3.180.0080.00816.36
7.3.170.0030.01316.67
7.3.160.0100.00716.51
7.3.120.0090.00614.83
7.3.10.0040.01116.26
7.3.00.0140.00716.36
7.2.330.0120.00616.67
7.2.320.0100.01016.73
7.2.310.0100.00716.69
7.2.300.0130.00316.64
7.2.290.0170.00016.65
7.2.130.0110.00716.29
7.2.120.0160.01016.75
7.2.110.0130.01316.75
7.2.100.0040.01516.60
7.2.90.0170.00316.70
7.2.80.0080.01616.75
7.2.70.0180.00816.43
7.2.60.0130.01616.60
7.2.50.0060.00916.59
7.2.40.0160.01216.77
7.2.30.0150.01116.59
7.2.20.0150.01016.79
7.2.10.0130.01016.76
7.2.00.0070.01118.28
7.1.250.0140.00415.56
7.1.100.0000.01118.06
7.1.70.0000.00916.95
7.1.60.0040.00717.45
7.1.50.0060.01516.77
7.1.00.0030.06022.42
7.0.200.0070.01016.97
7.0.140.0130.06322.08
7.0.60.0070.07720.01
7.0.50.0100.03717.91
7.0.40.0030.08320.14
7.0.30.0230.05320.01
7.0.20.0230.06020.18
7.0.10.0270.07320.34
7.0.00.0100.07320.36
5.6.280.0070.07021.07
5.6.210.0030.07020.56
5.6.200.0070.08018.13
5.6.190.0000.06020.77
5.6.180.3170.04020.63
5.6.170.0230.08020.54
5.6.160.0100.08020.43
5.6.150.0070.04018.18
5.6.140.0100.07318.11
5.6.130.0030.05318.13
5.6.120.0130.06321.09
5.6.110.0030.06721.02
5.6.100.0000.08021.08
5.6.90.0170.05720.96
5.6.80.0100.08020.37
5.6.70.0100.08320.27
5.5.350.0170.08320.41
5.5.340.0130.04317.92
5.5.330.0070.08720.15
5.5.320.0070.04720.31
5.5.310.0200.05720.43
5.5.300.0100.04317.89
5.5.290.0100.07017.92
5.5.280.0130.08020.82
5.5.270.0030.06320.79
5.5.260.0030.04020.78
5.5.250.0070.08020.68
5.5.240.0130.03020.26
5.4.450.0770.05319.59
5.4.440.0670.06319.14
5.4.430.0870.05719.54
5.4.420.0130.05319.63
5.4.410.0730.05718.98
5.4.400.0400.06718.54
5.4.390.0400.07018.58
5.4.380.0230.05318.68
5.4.370.0270.03718.54
5.4.360.0200.04318.72
5.4.350.0050.03611.98
5.4.340.0090.03311.97
5.4.320.0090.04112.45
5.4.310.0060.03712.45
5.4.300.0070.03612.45
5.4.290.0060.04612.45
5.4.280.0080.03912.35
5.4.270.0070.03712.34
5.4.260.0060.04112.36
5.4.250.0130.06718.79
5.4.240.0200.04718.86
5.4.230.0070.05318.73
5.4.220.0070.05718.80
5.4.210.0100.05718.98
5.4.200.0130.04318.93
5.4.190.0070.05718.63
5.4.180.0170.04718.84
5.4.170.0100.04718.70
5.4.160.0070.05018.76
5.4.150.0000.06318.78
5.4.140.0100.04716.40
5.4.130.0030.05016.23
5.4.120.0170.04016.44
5.4.110.0070.05016.46
5.4.100.0030.05016.45
5.4.90.0130.04316.23
5.4.80.0070.04716.22
5.4.70.0100.06016.19
5.4.60.0030.05316.46
5.4.50.0070.05016.30
5.4.40.0100.04716.42
5.4.30.0100.06316.45
5.4.20.0130.04716.42
5.4.10.0130.04716.40
5.4.00.0170.05715.66
5.3.290.0080.04212.80
5.3.280.0030.05314.64
5.3.270.0030.05714.49
5.3.260.0030.06014.61
5.3.250.0000.05714.45
5.3.240.0000.05714.61
5.3.230.0200.03714.61
5.3.220.0030.05714.72
5.3.210.0070.05314.46
5.3.200.0070.05314.59
5.3.190.0070.07014.40
5.3.180.0100.07314.72
5.3.170.0100.04714.42
5.3.160.0100.04714.42
5.3.150.0030.05714.61
5.3.140.0130.04314.33
5.3.130.0030.05714.55
5.3.120.0070.05014.25
5.3.110.0030.06714.55
5.3.100.0100.04714.04
5.3.90.0030.06714.02
5.3.80.0100.04714.06
5.3.70.0100.04713.79
5.3.60.0070.05014.01
5.3.50.0100.04713.72
5.3.40.0070.05313.97
5.3.30.0100.04713.79
5.3.20.0000.05713.69
5.3.10.0100.04313.67
5.3.00.0100.04313.68
5.2.170.0070.04311.29
5.2.160.0070.04311.23
5.2.150.0100.03711.13
5.2.140.0100.04311.15
5.2.130.0100.05311.20
5.2.120.0000.04311.21
5.2.110.0070.03711.03
5.2.100.0070.03711.11
5.2.90.0100.04311.19
5.2.80.0100.05311.02
5.2.70.0100.04010.98
5.2.60.0070.04011.07
5.2.50.0070.04010.93
5.2.40.0030.04011.01
5.2.30.0100.03710.97
5.2.20.0100.03310.79
5.2.10.0170.03710.62
5.2.00.0100.03710.79
5.1.60.0100.02710.08
5.1.50.0030.05010.02
5.1.40.0000.03710.16
5.1.30.0030.05010.48
5.1.20.0070.05310.43
5.1.10.0030.0439.99
5.1.00.0100.0339.95
5.0.50.0070.0338.42
5.0.40.0030.0408.17
5.0.30.0000.0538.36
5.0.20.0030.0278.27
5.0.10.0000.0308.14
5.0.00.0100.0378.23
4.4.90.0030.0236.63
4.4.80.0070.0276.63
4.4.70.0000.0236.63
4.4.60.0030.0276.63
4.4.50.0100.0136.63
4.4.40.0100.0276.63
4.4.30.0030.0206.63
4.4.20.0100.0236.63
4.4.10.0030.0236.63
4.4.00.0100.0306.63
4.3.110.0000.0306.63
4.3.100.0030.0206.63
4.3.90.0000.0236.63
4.3.80.0000.0336.63
4.3.70.0000.0206.63
4.3.60.0100.0136.63
4.3.50.0030.0206.63
4.3.40.0030.0336.63
4.3.30.0030.0276.63
4.3.20.0000.0306.63
4.3.10.0030.0206.63
4.3.00.0130.0236.77

preferences:
62.81 ms | 400 KiB | 5 Q