3v4l.org

run code in 300+ PHP versions simultaneously
<?php //echo preg_replace('/(?:(?!dog).)++/', '<$0>', 'where my dog is now?'); echo preg_replace('/..(?<!ba)/', '<$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)
8.3.60.0140.00718.56
8.3.50.0150.01421.14
8.3.40.0070.00718.73
8.3.30.0120.00319.09
8.3.20.0060.00320.29
8.3.10.0040.00422.13
8.3.00.0000.00822.58
8.2.180.0070.01016.63
8.2.170.0130.00722.96
8.2.160.0000.01420.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0100.00726.16
8.2.120.0000.00819.66
8.2.110.0040.00420.52
8.2.100.0080.00318.03
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0000.00817.59
8.2.60.0090.00017.91
8.2.50.0050.00318.07
8.2.40.0060.00318.22
8.2.30.0040.00418.07
8.2.20.0030.00617.61
8.2.10.0070.00017.67
8.2.00.0040.00417.72
8.1.280.0000.01425.92
8.1.270.0000.00920.38
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00621.96
8.1.230.0080.00320.85
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0070.00017.40
8.1.180.0080.00018.10
8.1.170.0050.00318.68
8.1.160.0000.00722.05
8.1.150.0030.00618.73
8.1.140.0070.00017.37
8.1.130.0030.00617.69
8.1.120.0040.00417.41
8.1.110.0050.00217.36
8.1.100.0000.00717.45
8.1.90.0050.00317.51
8.1.80.0000.00717.44
8.1.70.0000.00717.36
8.1.60.0000.00817.58
8.1.50.0030.00517.42
8.1.40.0050.00317.54
8.1.30.0000.00717.64
8.1.20.0040.00417.66
8.1.10.0040.00417.59
8.1.00.0030.00717.52
8.0.300.0000.00718.77
8.0.290.0000.00717.15
8.0.280.0000.00718.47
8.0.270.0070.00017.17
8.0.260.0050.00317.00
8.0.250.0080.00017.02
8.0.240.0050.00316.90
8.0.230.0070.00016.84
8.0.220.0030.00316.91
8.0.210.0000.00716.84
8.0.200.0090.00016.98
8.0.190.0000.00816.93
8.0.180.0070.00016.95
8.0.170.0000.00816.97
8.0.160.0050.00216.89
8.0.150.0040.00416.82
8.0.140.0070.00016.75
8.0.130.0030.00313.32
8.0.120.0040.00416.82
8.0.110.0030.00516.78
8.0.100.0000.00716.94
8.0.90.0020.00516.89
8.0.80.0070.00716.91
8.0.70.0040.00316.80
8.0.60.0040.00416.77
8.0.50.0050.00216.76
8.0.30.0130.01017.11
8.0.20.0080.01017.40
8.0.10.0050.00216.90
8.0.00.0110.01016.78
7.4.330.0030.00315.00
7.4.320.0040.00416.65
7.4.300.0060.00016.47
7.4.290.0000.00716.51
7.4.280.0030.00316.56
7.4.270.0030.00316.66
7.4.260.0040.00416.55
7.4.250.0070.00016.43
7.4.240.0070.00116.65
7.4.230.0030.00316.60
7.4.220.0060.01216.64
7.4.210.0050.01116.60
7.4.200.0070.00016.60
7.4.190.0000.00716.63
7.4.160.0080.00816.66
7.4.150.0030.01417.40
7.4.140.0180.00517.86
7.4.130.0160.00116.57
7.4.120.0090.01016.59
7.4.110.0090.01216.67
7.4.100.0100.00716.66
7.4.90.0130.00516.59
7.4.80.0100.01019.39
7.4.70.0120.00916.50
7.4.60.0120.00316.70
7.4.50.0060.00316.56
7.4.40.0070.00722.77
7.4.30.0030.01316.63
7.4.00.0030.00614.91
7.3.330.0000.00613.20
7.3.320.0050.00013.19
7.3.310.0000.00716.20
7.3.300.0030.00316.26
7.3.290.0100.01016.30
7.3.280.0080.01016.25
7.3.270.0070.01017.40
7.3.260.0110.00516.48
7.3.250.0110.00516.49
7.3.240.0080.01716.29
7.3.230.0060.01216.51
7.3.210.0130.00616.39
7.3.200.0150.00616.30
7.3.190.0130.00416.28
7.3.180.0090.00616.68
7.3.170.0000.01516.63
7.3.160.0060.01016.38
7.3.120.0040.01115.15
7.3.10.0040.01116.45
7.3.00.0000.01516.68
7.2.330.0170.00016.61
7.2.320.0100.01316.45
7.2.310.0100.00716.66
7.2.300.0070.01016.67
7.2.290.0120.00416.71
7.2.130.0030.01016.70
7.2.120.0000.01216.96
7.2.110.0070.00717.01
7.2.100.0070.00716.63
7.2.90.0060.00916.77
7.2.80.0000.01116.66
7.2.70.0130.00616.90
7.2.60.0100.00716.88
7.2.50.0040.00416.58
7.2.40.0040.01416.96
7.2.30.0060.00616.92
7.2.20.0000.01216.88
7.2.10.0060.00916.64
7.2.00.0060.01018.05
7.1.250.0000.01315.59
7.1.100.0000.01118.43
7.1.70.0060.01017.04
7.1.60.0030.01016.98
7.1.50.0000.01516.97
7.1.00.0000.04722.34
7.0.200.0100.00316.61
7.0.140.0070.07022.09
7.0.60.0170.07319.85
7.0.50.0030.04017.86
7.0.40.0070.08720.22
7.0.30.0230.07020.31
7.0.20.0300.07720.06
7.0.10.0200.06320.00
7.0.00.0030.08320.19
5.6.280.0000.07721.11
5.6.210.0230.06320.60
5.6.200.0070.04318.12
5.6.190.0000.07720.60
5.6.180.3530.04020.60
5.6.170.0230.06020.39
5.6.160.0070.08320.50
5.6.150.0030.05018.21
5.6.140.0030.08318.17
5.6.130.0130.08018.11
5.6.120.0130.03720.98
5.6.110.0100.07020.99
5.6.100.0070.04721.13
5.6.90.0170.07321.10
5.6.80.0030.04720.36
5.6.70.0300.06020.39
5.5.350.0170.07320.39
5.5.340.0130.06717.98
5.5.330.0070.07720.11
5.5.320.0100.04320.30
5.5.310.0370.06720.23
5.5.300.0070.03717.91
5.5.290.0030.06317.93
5.5.280.0030.08020.64
5.5.270.0100.07320.86
5.5.260.0030.04320.67
5.5.250.0000.04320.68
5.5.240.0070.04020.18
5.4.450.0100.06019.61
5.4.440.0830.04319.52
5.4.430.1000.06319.63
5.4.420.0170.06019.58
5.4.410.0400.04719.42
5.4.400.0430.04318.77
5.4.390.0330.06318.65
5.4.380.0200.05718.65
5.4.370.0100.05718.48
5.4.360.0100.05318.70
5.4.350.0080.03411.97
5.4.340.0030.03811.97
5.4.320.0030.03812.45
5.4.310.0050.03812.45
5.4.300.0070.04212.45
5.4.290.0040.04212.45
5.4.280.0080.04012.35
5.4.270.0040.03812.35
5.4.260.0070.03912.34
5.4.250.0100.05718.81
5.4.240.0170.05318.72
5.4.230.0100.05018.72
5.4.220.0000.05718.94
5.4.210.0030.05318.85
5.4.200.0070.07018.99
5.4.190.0030.05718.72
5.4.180.0030.05318.70
5.4.170.0030.05318.98
5.4.160.0070.05018.93
5.4.150.0100.07318.94
5.4.140.0100.04716.25
5.4.130.0100.04316.25
5.4.120.0130.05016.44
5.4.110.0100.05316.41
5.4.100.0000.05316.43
5.4.90.0000.05316.47
5.4.80.0000.05316.46
5.4.70.0130.04016.43
5.4.60.0000.05316.24
5.4.50.0170.04016.21
5.4.40.0070.05016.50
5.4.30.0100.04316.38
5.4.20.0000.05316.45
5.4.10.0030.06016.40
5.4.00.0070.04715.66
5.3.290.0050.04212.80
5.3.280.0070.05014.58
5.3.270.0070.06014.61
5.3.260.0030.05314.54
5.3.250.0000.07014.44
5.3.240.0130.05314.52
5.3.230.0100.04314.61
5.3.220.0030.05014.58
5.3.210.0130.04314.26
5.3.200.0000.05314.71
5.3.190.0130.04314.41
5.3.180.0030.05014.55
5.3.170.0100.04314.57
5.3.160.0130.04314.42
5.3.150.0070.05014.44
5.3.140.0030.05714.55
5.3.130.0100.04714.56
5.3.120.0100.04714.41
5.3.110.0000.05714.54
5.3.100.0030.05314.07
5.3.90.0000.05714.12
5.3.80.0070.04714.11
5.3.70.0000.05313.88
5.3.60.0030.05014.00
5.3.50.0030.06314.11
5.3.40.0130.04013.81
5.3.30.0030.05014.05
5.3.20.0070.04713.68
5.3.10.0070.04313.63
5.3.00.0100.04313.64
5.2.170.0030.04011.07
5.2.160.0100.03011.16
5.2.150.0030.04011.15
5.2.140.0030.04311.14
5.2.130.0070.04011.09
5.2.120.0030.03711.12
5.2.110.0030.04011.11
5.2.100.0030.03710.98
5.2.90.0100.05011.20
5.2.80.0030.04310.85
5.2.70.0070.04011.10
5.2.60.0000.06311.04
5.2.50.0070.04011.03
5.2.40.0130.04310.75
5.2.30.0030.04010.81
5.2.20.0030.04010.88
5.2.10.0030.03710.93
5.2.00.0030.04010.80
5.1.60.0030.0339.95
5.1.50.0030.0339.92
5.1.40.0030.0339.93
5.1.30.0070.03310.25
5.1.20.0030.03710.11
5.1.10.0130.02310.12
5.1.00.0000.03710.12
5.0.50.0030.0278.55
5.0.40.0030.0238.29
5.0.30.0070.0378.10
5.0.20.0030.0378.19
5.0.10.0000.0278.22
5.0.00.0000.0438.30
4.4.90.0070.0136.02
4.4.80.0000.0236.02
4.4.70.0030.0206.02
4.4.60.0000.0236.02
4.4.50.0030.0176.02
4.4.40.0030.0306.02
4.4.30.0030.0206.02
4.4.20.0030.0276.02
4.4.10.0000.0206.02
4.4.00.0030.0306.02
4.3.110.0000.0206.02
4.3.100.0030.0206.02
4.3.90.0030.0176.02
4.3.80.0000.0336.02
4.3.70.0000.0206.02
4.3.60.0000.0306.02
4.3.50.0030.0236.02
4.3.40.0000.0336.02
4.3.30.0030.0206.02
4.3.20.0000.0236.02
4.3.10.0030.0236.02
4.3.00.0130.0206.77

preferences:
45.81 ms | 401 KiB | 5 Q