3v4l.org

run code in 300+ PHP versions simultaneously
<?php $msg = "1a12v21sfsd4"; $txt = "/(1[a-z]+1)/"; $res = preg_replace_callback($txt,function($m){ return $m[0]; },$msg); echo $res;

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)
8.3.60.0150.00318.56
8.3.50.0110.00722.05
8.3.40.0110.00418.80
8.3.30.0150.00619.04
8.3.20.0040.00420.29
8.3.10.0000.00822.10
8.3.00.0050.00322.37
8.2.180.0100.00716.63
8.2.170.0130.00322.96
8.2.160.0110.00420.79
8.2.150.0040.01124.18
8.2.140.0050.00324.66
8.2.130.0150.00026.16
8.2.120.0080.00019.73
8.2.110.0100.00022.20
8.2.100.0110.00017.84
8.2.90.0030.00519.26
8.2.80.0030.00517.97
8.2.70.0060.00317.75
8.2.60.0060.00318.16
8.2.50.0040.00418.07
8.2.40.0030.00618.12
8.2.30.0030.00618.06
8.2.20.0060.00317.91
8.2.10.0050.00317.98
8.2.00.0070.00317.82
8.1.280.0150.00025.92
8.1.270.0020.00522.19
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00023.86
8.1.230.0070.00319.09
8.1.220.0050.00317.78
8.1.210.0000.00818.77
8.1.200.0000.00817.48
8.1.190.0060.00317.53
8.1.180.0000.00818.73
8.1.170.0060.00318.55
8.1.160.0000.00821.96
8.1.150.0040.00418.75
8.1.140.0040.00417.60
8.1.130.0040.00417.72
8.1.120.0040.00417.64
8.1.110.0000.00817.62
8.1.100.0000.00717.69
8.1.90.0070.00417.59
8.1.80.0000.00717.69
8.1.70.0070.00017.60
8.1.60.0000.00817.66
8.1.50.0050.00317.65
8.1.40.0030.00517.67
8.1.30.0000.00817.73
8.1.20.0030.00517.73
8.1.10.0000.00817.75
8.1.00.0030.00617.68
8.0.300.0060.00318.77
8.0.290.0040.00417.18
8.0.280.0030.00318.46
8.0.270.0030.00317.15
8.0.260.0060.00016.96
8.0.250.0030.00316.97
8.0.240.0000.00717.02
8.0.230.0000.00716.95
8.0.220.0000.00716.84
8.0.210.0000.00616.94
8.0.200.0070.00016.93
8.0.190.0000.00717.07
8.0.180.0040.00417.08
8.0.170.0080.00017.02
8.0.160.0040.00416.86
8.0.150.0050.00317.07
8.0.140.0070.00016.91
8.0.130.0060.00013.43
8.0.120.0040.00417.03
8.0.110.0000.00817.05
8.0.100.0030.00516.87
8.0.90.0050.00217.10
8.0.80.0090.00616.96
8.0.70.0040.00417.11
8.0.60.0000.00817.05
8.0.50.0000.00716.92
8.0.30.0160.00517.19
8.0.20.0100.01417.40
8.0.10.0000.00717.03
8.0.00.0100.00716.75
7.4.330.0020.00215.00
7.4.320.0030.00316.67
7.4.300.0050.00216.79
7.4.290.0070.00016.76
7.4.280.0070.00016.63
7.4.270.0000.00716.79
7.4.260.0050.00216.68
7.4.250.0000.00716.69
7.4.240.0050.00316.77
7.4.230.0070.00016.53
7.4.220.0070.01016.73
7.4.210.0100.00716.75
7.4.200.0000.00816.64
7.4.190.0000.00716.68
7.4.160.0060.01016.63
7.4.150.0090.00917.40
7.4.140.0110.00617.86
7.4.130.0080.01016.82
7.4.120.0090.01016.72
7.4.110.0150.00616.69
7.4.100.0110.01016.69
7.4.90.0040.01416.76
7.4.80.0090.00919.39
7.4.70.0100.01316.80
7.4.60.0180.00916.85
7.4.50.0000.00916.65
7.4.40.0110.00722.77
7.4.30.0060.01016.59
7.4.00.0070.00714.97
7.3.330.0030.00313.47
7.3.320.0000.00613.51
7.3.310.0030.00316.41
7.3.300.0030.00316.43
7.3.290.0140.00716.42
7.3.280.0060.00916.41
7.3.270.0070.01117.40
7.3.260.0110.00616.93
7.3.250.0080.01216.58
7.3.240.0130.00616.60
7.3.230.0150.00416.52
7.3.210.0100.00716.51
7.3.200.0100.01319.39
7.3.190.0130.00616.46
7.3.180.0070.00716.59
7.3.170.0100.00716.48
7.3.160.0060.01216.50
7.3.120.0040.00715.03
7.2.330.0140.01116.63
7.2.320.0090.01516.82
7.2.310.0140.00316.88
7.2.300.0040.01316.91
7.2.290.0090.00917.03
7.2.00.0000.01719.48
7.1.100.0090.00618.45
7.1.70.0000.01317.32
7.1.60.0120.01219.82
7.1.50.0040.01817.25
7.1.00.0070.07022.30
7.0.200.0040.00416.84
7.0.140.0070.06322.00
7.0.60.0070.03719.80
7.0.50.0070.04717.90
7.0.40.0070.05320.06
7.0.30.0230.08320.28
7.0.20.0330.07320.17
7.0.10.0130.08020.07
7.0.00.0100.05020.13
5.6.280.0070.06721.07
5.6.210.0030.04320.77
5.6.200.0070.08018.27
5.6.190.0070.08720.60
5.6.180.0470.06320.61
5.6.170.0470.03320.56
5.6.160.0030.08720.48
5.6.150.0270.05718.22
5.6.140.0000.04018.18
5.6.130.0030.09018.20
5.6.120.0030.04021.00
5.6.110.0100.07721.11
5.6.100.0130.07720.95
5.6.90.0070.08320.95
5.6.80.0130.06720.39
5.5.350.0330.07020.30
5.5.340.0030.04017.96
5.5.330.0130.09320.40
5.5.320.0000.08720.25
5.5.310.0200.08320.37
5.5.300.0130.05717.99
5.5.290.0000.04317.95
5.5.280.0070.07320.89
5.5.270.0000.07020.63
5.5.260.0170.07020.87
5.5.250.0070.06720.55
5.5.240.0000.08320.15
5.4.450.0470.06019.43
5.4.440.0230.04719.70
5.4.430.0100.05319.54
5.4.420.0130.05319.42
5.4.410.0130.05319.43
5.4.400.0870.00018.89
5.4.390.0770.00018.75
5.4.380.0200.06018.78
5.4.370.0330.06718.46
5.4.360.0300.06018.50
5.4.350.0130.05718.75
5.4.340.0170.05018.65
5.4.320.0060.03812.50
5.4.310.0080.04512.50
5.4.300.0070.04212.50
5.4.290.0070.06012.50
5.4.280.0050.03712.39
5.4.270.0050.04412.39
5.4.260.0100.06018.92
5.4.250.0030.05718.88
5.4.240.0030.05718.72
5.4.230.0070.06018.98
5.4.220.0030.05718.63
5.4.210.0070.05318.83
5.4.200.0130.06718.88
5.4.190.0130.04718.95
5.4.180.0070.05318.84
5.4.170.0030.05718.93
5.4.160.0170.06318.82
5.4.150.0130.04718.86
5.4.140.0200.04316.38
5.4.130.0030.05016.37
5.4.120.0170.04316.50
5.4.110.0100.06716.64
5.4.100.0100.05716.45
5.4.90.0170.04316.38
5.4.80.0100.04716.48
5.4.70.0130.04316.39
5.4.60.0200.06316.51
5.4.50.0130.04316.38
5.4.40.0070.05316.44
5.4.30.0100.06316.42
5.4.20.0100.06316.38
5.4.10.0070.05316.25
5.4.00.0030.06315.82
5.3.290.0030.04612.80
5.3.280.0070.05014.67
5.3.270.0100.07314.68
5.3.260.0070.05314.61
5.3.250.0130.05014.62
5.3.240.0100.04714.66
5.3.230.0070.05314.58
5.3.220.0130.04714.64
5.3.210.0130.04714.74
5.3.200.0130.04314.64
5.3.190.0100.07014.70
5.3.180.0070.05314.64
5.3.170.0130.05014.66
5.3.160.0100.05014.60
5.3.150.0130.04714.56
5.3.140.0070.05714.58
5.3.130.0100.07714.63
5.3.120.0130.05014.63
5.3.110.0130.05714.52
5.3.100.0070.05014.18
5.3.90.0070.05014.18
5.3.80.0070.04713.99
5.3.70.0100.06714.12
5.3.60.0130.06714.01
5.3.50.0000.05314.04
5.3.40.0070.05013.96
5.3.30.0000.05313.98
5.3.20.0100.06013.75
5.3.10.0030.05313.61
5.3.00.0170.04313.70
5.2.170.0100.03711.07
5.2.160.0070.04711.05
5.2.150.0070.04011.16
5.2.140.0130.05311.29
5.2.130.0030.04011.19
5.2.120.0200.02711.10
5.2.110.0130.04711.25
5.2.100.0070.04011.09
5.2.90.0030.04011.10
5.2.80.0100.03711.18
5.2.70.0100.05710.85
5.2.60.0030.04310.97
5.2.50.0030.05010.95
5.2.40.0070.03710.90
5.2.30.0030.04010.89
5.2.20.0070.04711.11
5.2.10.0100.04710.84
5.2.00.0030.06310.94
5.1.60.0030.0339.95
5.1.50.0070.03310.02
5.1.40.0030.03310.21
5.1.30.0130.02710.48
5.1.20.0030.03710.42
5.1.10.0030.05310.06
5.1.00.0030.0379.91
5.0.50.0070.0278.59
5.0.40.0070.0308.25
5.0.30.0000.0478.45
5.0.20.0000.0408.04
5.0.10.0030.0278.00
5.0.00.0100.0338.14
4.4.90.0030.0207.44
4.4.80.0030.0207.44
4.4.70.0100.0137.44
4.4.60.0030.0307.44
4.4.50.0000.0237.44
4.4.40.0000.0507.44
4.4.30.0030.0237.44
4.4.20.0070.0277.44
4.4.10.0100.0237.44
4.4.00.0030.0337.44
4.3.110.0100.0137.44
4.3.100.0000.0237.44
4.3.90.0030.0237.44
4.3.80.0000.0337.44
4.3.70.0030.0207.44
4.3.60.0170.0177.44
4.3.50.0030.0207.44
4.3.40.0030.0307.44
4.3.30.0070.0207.44
4.3.20.0000.0237.44
4.3.10.0030.0207.44
4.3.00.0070.0207.23

preferences:
54.07 ms | 401 KiB | 5 Q