3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = preg_replace('/(\d)/g','12345', '\1a'); echo $a;

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)
8.3.60.0100.01018.43
8.3.50.0120.00522.04
8.3.40.0000.01418.70
8.3.30.0040.01120.26
8.3.20.0050.00320.34
8.3.10.0040.00422.14
8.3.00.0070.00022.58
8.2.180.0070.00716.75
8.2.170.0070.01022.96
8.2.160.0040.01220.52
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00419.71
8.2.110.0060.00319.27
8.2.100.0090.00317.84
8.2.90.0080.00019.09
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0000.00817.80
8.2.50.0030.00618.10
8.2.40.0040.00420.59
8.2.30.0000.00918.00
8.2.20.0070.00017.56
8.2.10.0050.00217.62
8.2.00.0100.00017.55
8.1.280.0120.00325.92
8.1.270.0130.00624.66
8.1.260.0020.00526.35
8.1.250.0040.00428.09
8.1.240.0060.00320.76
8.1.230.0120.00317.70
8.1.220.0050.00517.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0030.00617.10
8.1.180.0040.00418.10
8.1.170.0040.00418.61
8.1.160.0050.00322.13
8.1.150.0000.00718.57
8.1.140.0040.00417.45
8.1.130.0000.00717.82
8.1.120.0050.00217.39
8.1.110.0030.00517.43
8.1.100.0040.00417.32
8.1.90.0020.00517.38
8.1.80.0040.00417.44
8.1.70.0000.00717.34
8.1.60.0040.00417.40
8.1.50.0060.00317.47
8.1.40.0040.00417.41
8.1.30.0070.00017.54
8.1.20.0060.00317.56
8.1.10.0040.00417.45
8.1.00.0050.00317.43
8.0.300.0060.00319.88
8.0.290.0040.00416.75
8.0.280.0000.00718.39
8.0.270.0000.00717.29
8.0.260.0000.00616.83
8.0.250.0030.00317.02
8.0.240.0020.00517.02
8.0.230.0030.00316.95
8.0.220.0030.00316.87
8.0.210.0000.00716.88
8.0.200.0030.00316.79
8.0.190.0030.00616.96
8.0.180.0070.00016.94
8.0.170.0000.00716.87
8.0.160.0030.00316.95
8.0.150.0030.00316.89
8.0.140.0030.00316.81
8.0.130.0030.00313.25
8.0.120.0040.00416.92
8.0.110.0000.00716.86
8.0.100.0040.00416.76
8.0.90.0030.00316.77
8.0.80.0110.01116.93
8.0.70.0000.00816.96
8.0.60.0080.00016.77
8.0.50.0000.00716.88
8.0.30.0110.00817.15
8.0.20.0120.00617.40
8.0.10.0030.00516.90
8.0.00.0110.00816.91
7.4.330.0000.00515.02
7.4.320.0060.00016.52
7.4.300.0000.00616.58
7.4.290.0070.00016.56
7.4.280.0000.00716.57
7.4.270.0070.00016.54
7.4.260.0030.00513.21
7.4.250.0030.00616.38
7.4.240.0050.00216.54
7.4.230.0030.00316.46
7.4.220.0120.01316.47
7.4.210.0070.00816.47
7.4.200.0000.00716.33
7.4.190.0030.00616.60
7.4.160.0120.00316.49
7.4.150.0060.01117.40
7.4.140.0080.00917.86
7.4.130.0070.00916.39
7.4.120.0110.00616.42
7.4.110.0140.00916.55
7.4.100.0160.00316.37
7.4.90.0120.00616.34
7.4.80.0090.00919.39
7.4.70.0090.01316.40
7.4.60.0200.00316.24
7.4.50.0030.00616.14
7.4.40.0040.01122.77
7.4.30.0060.01316.61
7.4.00.0030.01014.77
7.3.330.0030.00313.24
7.3.320.0000.00613.00
7.3.310.0000.00816.19
7.3.300.0000.00716.28
7.3.290.0160.00016.26
7.3.280.0070.01216.28
7.3.270.0060.01117.40
7.3.260.0120.01216.43
7.3.250.0090.00716.32
7.3.240.0110.00716.30
7.3.230.0060.01016.39
7.3.210.0130.00316.50
7.3.200.0120.00319.39
7.3.190.0060.01016.49
7.3.180.0070.00716.45
7.3.170.0120.00316.30
7.3.160.0100.01316.65
7.3.120.0040.01214.85
7.3.10.0040.01116.40
7.3.00.0030.01016.74
7.2.330.0060.01216.24
7.2.320.0060.01216.59
7.2.310.0100.00716.45
7.2.300.0030.01316.49
7.2.290.0110.00616.44
7.2.130.0000.01516.83
7.2.120.0030.00916.88
7.2.110.0070.00716.54
7.2.100.0040.01116.81
7.2.90.0030.01416.91
7.2.80.0060.00616.74
7.2.70.0100.00616.79
7.2.60.0120.00816.75
7.2.50.0030.00817.04
7.2.40.0060.00616.75
7.2.30.0070.00716.87
7.2.20.0060.00616.38
7.2.10.0090.00316.70
7.2.00.0070.00716.82
7.1.250.0000.01015.66
7.1.200.0090.00015.77
7.1.100.0030.01317.87
7.1.70.0080.00017.06
7.1.60.0130.01019.43
7.1.50.0130.01016.68
7.1.00.0070.05022.30
7.0.200.0140.00316.59
7.0.140.0030.07722.07
7.0.60.0070.08019.77
7.0.50.0070.05317.77
7.0.40.0030.04320.30
7.0.30.0300.06720.02
7.0.20.0130.05320.16
7.0.10.0130.04720.24
7.0.00.0000.04320.12
5.6.280.0030.07321.06
5.6.210.0100.07720.64
5.6.200.0070.04718.13
5.6.190.0030.04020.64
5.6.180.0200.07720.27
5.6.170.0270.08020.45
5.6.160.0070.04320.41
5.6.150.0030.08318.09
5.6.140.0070.04018.14
5.6.130.0030.05718.16
5.6.120.0070.04321.14
5.6.110.0100.05020.88
5.6.100.0030.09021.12
5.6.90.0100.07721.12
5.6.80.0030.04320.50
5.6.70.0270.02720.27
5.5.350.0030.09020.47
5.5.340.0070.03717.95
5.5.330.0200.03720.25
5.5.320.0230.08720.17
5.5.310.0230.03720.20
5.5.300.0000.08718.01
5.5.290.0070.08317.93
5.5.280.0130.08020.76
5.5.270.0070.08020.67
5.5.260.0130.04720.67
5.5.250.0100.06020.57
5.5.240.0030.04020.33
5.4.450.0100.06719.47
5.4.440.1030.06319.24
5.4.430.0800.04719.29
5.4.420.1030.04719.54
5.4.410.0770.06319.42
5.4.400.1270.05718.65
5.4.390.1070.07018.59
5.4.380.0330.04318.68
5.4.370.0130.05018.71
5.4.360.0070.05718.74
5.4.350.0100.04211.97
5.4.340.0080.03511.97
5.4.320.0060.03712.45
5.4.310.0080.03512.45
5.4.300.0040.03812.45
5.4.290.0100.03812.45
5.4.280.0050.03612.34
5.4.270.0120.04612.34
5.4.260.0070.04612.35
5.4.250.0090.04012.34
5.4.240.0100.05018.78
5.4.230.0200.05718.72
5.4.220.0070.05718.66
5.4.210.0070.06019.05
5.4.200.0000.06019.04
5.4.190.0130.05018.64
5.4.180.0000.06018.73
5.4.170.0130.04719.01
5.4.160.0170.04718.64
5.4.150.0170.05718.91
5.4.140.0130.04716.46
5.4.130.0070.07016.24
5.4.120.0130.05316.25
5.4.110.0030.05316.52
5.4.100.0130.06016.48
5.4.90.0100.05316.49
5.4.80.0100.04316.21
5.4.70.0100.07316.46
5.4.60.0130.04316.17
5.4.50.0100.05316.36
5.4.40.0130.05016.36
5.4.30.0100.07016.39
5.4.20.0030.06016.45
5.4.10.0130.06316.32
5.4.00.0170.04315.94
5.3.290.0060.05312.80
5.3.280.0000.05714.46
5.3.270.0070.05314.75
5.3.260.0100.07714.49
5.3.250.0100.04714.64
5.3.240.0030.07714.62
5.3.230.0100.05014.64
5.3.220.0100.04714.71
5.3.210.0170.05714.72
5.3.200.0100.05014.61
5.3.190.0100.05314.40
5.3.180.0070.05014.48
5.3.170.0130.04714.40
5.3.160.0030.05714.41
5.3.150.0100.05714.56
5.3.140.0170.05714.64
5.3.130.0170.06314.38
5.3.120.0030.05314.70
5.3.110.0030.06014.70
5.3.100.0200.05013.73
5.3.90.0130.04313.79
5.3.80.0170.04013.95
5.3.70.0200.04014.04
5.3.60.0230.03713.93
5.3.50.0070.05313.94
5.3.40.0030.05313.82
5.3.30.0070.04713.89
5.3.20.0000.05313.54
5.3.10.0000.06713.50
5.3.00.0030.05313.63
5.2.170.0030.04711.14
5.2.160.0100.03711.05
5.2.150.0070.04311.07
5.2.140.0030.05011.05
5.2.130.0130.03311.11
5.2.120.0070.03711.09
5.2.110.0070.04011.11
5.2.100.0100.03711.11
5.2.90.0130.03310.86
5.2.80.0130.05311.00
5.2.70.0070.04011.02
5.2.60.0030.06011.05
5.2.50.0070.04310.93
5.2.40.0130.04011.01
5.2.30.0100.03311.12
5.2.20.0030.04010.87
5.2.10.0030.04010.69
5.2.00.0100.03310.64
5.1.60.0030.03310.05
5.1.50.0130.02710.04
5.1.40.0070.03010.03
5.1.30.0100.05010.54
5.1.20.0070.03710.32
5.1.10.0100.04010.02
5.1.00.0100.04010.00
5.0.50.0070.0278.39
5.0.40.0070.0238.45
5.0.30.0030.0538.15
5.0.20.0130.0308.15
5.0.10.0030.0378.07
5.0.00.0100.0378.15
4.4.90.0100.0237.32
4.4.80.0030.0207.32
4.4.70.0070.0207.32
4.4.60.0070.0207.32
4.4.50.0130.0207.32
4.4.40.0030.0337.32
4.4.30.0030.0207.32
4.4.20.0070.0177.32
4.4.10.0030.0207.32
4.4.00.0030.0307.32
4.3.110.0000.0277.32
4.3.100.0000.0237.32
4.3.90.0100.0137.32
4.3.80.0000.0407.32
4.3.70.0070.0177.32
4.3.60.0000.0307.32
4.3.50.0030.0207.32
4.3.40.0000.0407.32
4.3.30.0100.0207.32
4.3.20.0000.0237.32
4.3.10.0100.0207.32
4.3.00.0030.0237.09

preferences:
46.14 ms | 401 KiB | 5 Q