3v4l.org

run code in 300+ PHP versions simultaneously
<?php $msg = "1a12v21s1fsd4"; $txt = "/(1[a-z]+1)/"; $res = preg_replace_callback($txt,function($m){ print_r($m); //return $m; },$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)
8.3.60.0180.00018.43
8.3.50.0070.01122.11
8.3.40.0100.01318.81
8.3.30.0040.01418.96
8.3.20.0040.00420.29
8.3.10.0030.00522.09
8.3.00.0000.00822.40
8.2.180.0130.01016.63
8.2.170.0120.00322.96
8.2.160.0120.00320.91
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0060.00626.16
8.2.120.0080.00019.51
8.2.110.0090.00020.35
8.2.100.0110.00017.91
8.2.90.0090.00019.26
8.2.80.0060.00317.97
8.2.70.0040.00417.63
8.2.60.0040.00418.03
8.2.50.0040.00418.07
8.2.40.0030.00518.24
8.2.30.0030.00617.98
8.2.20.0000.00817.72
8.2.10.0040.00417.96
8.2.00.0060.00317.77
8.1.280.0120.00825.92
8.1.270.0090.00022.09
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.72
8.1.230.0070.00419.19
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.47
8.1.190.0040.00417.53
8.1.180.0000.00818.75
8.1.170.0040.00418.75
8.1.160.0000.00721.95
8.1.150.0000.00718.79
8.1.140.0000.00717.59
8.1.130.0030.00317.80
8.1.120.0030.00317.59
8.1.110.0030.00517.57
8.1.100.0030.00317.51
8.1.90.0080.00317.61
8.1.80.0000.00717.66
8.1.70.0000.00717.52
8.1.60.0060.00317.62
8.1.50.0040.00417.66
8.1.40.0030.00617.57
8.1.30.0000.00717.77
8.1.20.0000.00817.79
8.1.10.0040.00417.70
8.1.00.0040.00417.56
8.0.300.0070.00018.77
8.0.290.0060.00317.05
8.0.280.0030.00318.47
8.0.270.0000.00717.38
8.0.260.0030.00316.97
8.0.250.0040.00417.07
8.0.240.0000.00717.10
8.0.230.0040.00417.09
8.0.220.0070.00017.02
8.0.210.0030.00317.01
8.0.200.0030.00317.12
8.0.190.0030.00316.99
8.0.180.0030.00517.05
8.0.170.0040.00417.02
8.0.160.0040.00417.00
8.0.150.0030.00616.98
8.0.140.0090.00016.94
8.0.130.0000.00513.49
8.0.120.0040.00416.94
8.0.110.0000.00716.86
8.0.100.0080.00016.86
8.0.90.0040.00416.98
8.0.80.0090.00617.05
8.0.70.0040.00416.90
8.0.60.0040.00417.06
8.0.50.0000.00717.02
8.0.30.0110.01617.37
8.0.20.0100.01017.40
8.0.10.0030.00417.22
8.0.00.0080.01116.66
7.4.330.0020.00215.00
7.4.320.0000.00716.76
7.4.300.0060.00016.81
7.4.290.0070.00016.81
7.4.280.0070.00016.61
7.4.270.0030.00316.73
7.4.260.0000.00816.73
7.4.250.0030.00616.58
7.4.240.0050.00216.69
7.4.230.0050.00316.81
7.4.220.0090.00916.66
7.4.210.0050.01016.80
7.4.200.0000.00816.83
7.4.190.0040.00416.85
7.4.160.0100.00716.57
7.4.150.0110.00717.40
7.4.140.0080.01017.86
7.4.130.0080.00816.68
7.4.120.0140.00416.68
7.4.110.0000.01716.78
7.4.100.0110.00716.61
7.4.90.0080.00816.73
7.4.80.0130.00319.39
7.4.70.0130.00816.79
7.4.60.0130.00716.45
7.4.50.0040.00416.62
7.4.40.0120.00322.77
7.4.30.0060.01016.77
7.4.00.0130.00315.21
7.3.330.0000.00513.41
7.3.320.0030.00313.31
7.3.310.0030.00316.46
7.3.300.0000.00716.46
7.3.290.0100.00316.46
7.3.280.0050.01016.46
7.3.270.0100.00717.40
7.3.260.0060.01116.37
7.3.250.0080.01216.56
7.3.240.0100.00716.52
7.3.230.0060.01216.52
7.3.210.0160.00416.84
7.3.200.0130.00319.39
7.3.190.0030.01416.83
7.3.180.0050.01116.72
7.3.170.0070.01516.82
7.3.160.0100.01316.53
7.3.120.0060.00914.98
7.3.10.0040.01216.84
7.3.00.0030.01017.01
7.2.330.0060.01116.94
7.2.320.0120.00616.79
7.2.310.0140.00516.72
7.2.300.0070.01016.82
7.2.290.0100.00616.78
7.2.130.0030.01216.96
7.2.120.0110.00416.96
7.2.110.0100.00316.87
7.2.100.0080.00817.08
7.2.90.0070.00316.93
7.2.80.0070.00717.04
7.2.70.0040.00716.83
7.2.60.0040.01117.12
7.2.50.0000.01617.14
7.2.40.0070.00717.09
7.2.30.0090.00617.11
7.2.20.0030.01416.82
7.2.10.0070.00317.13
7.2.00.0050.00818.26
7.1.250.0030.01015.90
7.1.100.0030.00918.45
7.1.70.0000.00817.36
7.1.60.0220.00315.46
7.1.50.0210.00317.20
7.1.00.0030.09022.34
7.0.200.0110.00416.88
7.0.140.0030.07322.10
7.0.60.0030.08020.04
7.0.50.0100.07017.89
7.0.40.0070.08320.28
7.0.30.0570.07020.32
7.0.20.0100.05020.17
7.0.10.0070.04320.28
7.0.00.0100.08720.07
5.6.280.0070.07020.93
5.6.210.0100.07720.75
5.6.200.0100.08018.18
5.6.190.0030.04320.54
5.6.180.0130.04320.50
5.6.170.0430.07020.71
5.6.160.0000.09020.61
5.6.150.0070.04318.19
5.6.140.0000.05018.11
5.6.130.0070.07018.20
5.6.120.0170.07721.02
5.6.110.0100.08321.04
5.6.100.0070.05721.09
5.6.90.0100.08021.02
5.6.80.0070.06720.54
5.5.350.0030.09020.30
5.5.340.0030.04017.98
5.5.330.0000.04320.21
5.5.320.0330.07720.38
5.5.310.0100.04720.23
5.5.300.0200.06717.98
5.5.290.0100.07717.98
5.5.280.0100.05020.80
5.5.270.0100.07320.87
5.5.260.0100.08320.87
5.5.250.0270.06320.50
5.5.240.0300.07020.37
5.4.450.0200.05319.70
5.4.440.0900.05019.60
5.4.430.0230.06719.40
5.4.420.0830.05719.57
5.4.410.0130.05319.42
5.4.400.0870.05319.28
5.4.390.1030.06319.27
5.4.380.0270.05318.50
5.4.370.0230.06018.52
5.4.360.0300.05718.63
5.4.350.0200.06018.80
5.4.340.0300.05018.64
5.4.320.0070.03512.51
5.4.310.0050.04212.50
5.4.300.0020.04012.51
5.4.290.0090.03612.50
5.4.280.0060.03812.40
5.4.270.0080.03612.39
5.4.260.0070.07718.94
5.4.250.0170.07318.94
5.4.240.0070.07018.91
5.4.230.0130.06018.83
5.4.220.0100.05318.80
5.4.210.0000.08718.80
5.4.200.0170.07018.80
5.4.190.0030.06018.82
5.4.180.0100.05718.71
5.4.170.0130.06318.92
5.4.160.0070.08018.69
5.4.150.0100.08018.86
5.4.140.0130.04716.51
5.4.130.0070.04716.50
5.4.120.0170.05316.27
5.4.110.0100.04716.47
5.4.100.0100.04716.55
5.4.90.0030.05316.57
5.4.80.0130.04716.44
5.4.70.0170.04316.55
5.4.60.0100.05016.33
5.4.50.0200.04016.33
5.4.40.0130.06016.44
5.4.30.0170.04716.28
5.4.20.0070.05716.46
5.4.10.0130.07016.54
5.4.00.0100.05315.81
5.3.290.0080.03612.80
5.3.280.0130.05714.76
5.3.270.0070.07014.74
5.3.260.0170.07014.62
5.3.250.0170.07014.82
5.3.240.0100.06714.78
5.3.230.0100.04714.67
5.3.220.0000.05714.61
5.3.210.0100.05714.72
5.3.200.0000.05314.70
5.3.190.0130.04714.73
5.3.180.0130.04714.63
5.3.170.0070.07714.73
5.3.160.0130.07014.74
5.3.150.0100.05314.64
5.3.140.0000.05714.38
5.3.130.0100.05014.61
5.3.120.0100.05314.68
5.3.110.0030.05714.63
5.3.100.0200.04314.04
5.3.90.0100.07314.00
5.3.80.0070.05714.02
5.3.70.0130.06713.99
5.3.60.0270.04314.06
5.3.50.0170.04314.17
5.3.40.0030.05014.03
5.3.30.0070.07013.73
5.3.20.0000.05713.78
5.3.10.0100.06713.55
5.3.00.0130.05013.82
5.2.170.0070.04011.13
5.2.160.0130.04011.29
5.2.150.0070.04011.14
5.2.140.0030.04311.05
5.2.130.0070.04311.09
5.2.120.0070.03711.09
5.2.110.0070.03710.93
5.2.100.0030.04011.21
5.2.90.0030.04711.21
5.2.80.0070.03711.10
5.2.70.0130.04711.02
5.2.60.0030.04310.81
5.2.50.0000.04711.04
5.2.40.0000.05010.76
5.2.30.0100.03310.87
5.2.20.0070.04011.07
5.2.10.0030.04010.63
5.2.00.0070.04010.48
5.1.60.0130.0409.88
5.1.50.0030.0379.88
5.1.40.0000.0509.86
5.1.30.0100.03310.27
5.1.20.0030.03710.57
5.1.10.0030.05310.30
5.1.00.0030.0379.95
5.0.50.0100.0208.63
5.0.40.0100.0308.60
5.0.30.0100.0508.07
5.0.20.0030.0278.27
5.0.10.0100.0338.20
5.0.00.0000.0578.11
4.4.90.0030.0207.48
4.4.80.0000.0237.48
4.4.70.0030.0207.48
4.4.60.0030.0207.48
4.4.50.0070.0237.48
4.4.40.0000.0377.48
4.4.30.0000.0307.48
4.4.20.0030.0207.48
4.4.10.0030.0307.48
4.4.00.0000.0477.48
4.3.110.0070.0207.48
4.3.100.0070.0177.48
4.3.90.0030.0177.48
4.3.80.0070.0277.48
4.3.70.0030.0277.48
4.3.60.0000.0237.48
4.3.50.0000.0237.48
4.3.40.0030.0437.48
4.3.30.0070.0207.48
4.3.20.0030.0207.48
4.3.10.0000.0277.48
4.3.00.0030.0278.11

preferences:
46.19 ms | 401 KiB | 5 Q