3v4l.org

run code in 300+ PHP versions simultaneously
<?php $msg = "abcde12321312"; $txt = "/([a-z]+)/"; $res = preg_replace_callback($txt,function($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)
8.3.60.0100.01018.58
8.3.50.0110.00922.06
8.3.40.0120.00618.96
8.3.30.0160.00318.85
8.3.20.0080.00020.07
8.3.10.0070.00021.83
8.3.00.0080.00022.46
8.2.180.0120.00316.60
8.2.170.0120.00322.96
8.2.160.0090.00620.90
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00826.16
8.2.120.0060.00319.48
8.2.110.0040.00420.51
8.2.100.0040.00818.03
8.2.90.0000.00719.08
8.2.80.0050.00317.97
8.2.70.0030.00517.63
8.2.60.0060.00317.80
8.2.50.0080.00018.07
8.2.40.0000.00818.14
8.2.30.0050.00218.08
8.2.20.0000.00717.79
8.2.10.0000.00817.88
8.2.00.0040.00818.00
8.1.280.0070.01025.92
8.1.270.0040.00422.23
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00024.02
8.1.230.0070.00419.01
8.1.220.0080.00017.79
8.1.210.0030.00618.77
8.1.200.0080.00017.47
8.1.190.0000.00817.66
8.1.180.0030.00618.76
8.1.170.0040.00418.59
8.1.160.0000.00722.01
8.1.150.0050.00318.86
8.1.140.0000.00717.65
8.1.130.0030.00317.72
8.1.120.0070.00017.51
8.1.110.0030.00517.59
8.1.100.0000.00817.48
8.1.90.0030.00617.52
8.1.80.0030.00317.63
8.1.70.0000.00817.62
8.1.60.0040.00417.72
8.1.50.0000.00817.55
8.1.40.0050.00317.62
8.1.30.0060.00317.71
8.1.20.0000.00817.70
8.1.10.0000.00717.67
8.1.00.0000.00817.55
8.0.300.0000.00718.77
8.0.290.0000.00717.05
8.0.280.0030.00318.54
8.0.270.0000.00717.22
8.0.260.0060.00017.02
8.0.250.0030.00317.05
8.0.240.0030.00317.09
8.0.230.0070.00016.98
8.0.220.0000.00617.03
8.0.210.0030.00317.05
8.0.200.0040.00417.04
8.0.190.0000.00717.17
8.0.180.0070.00017.16
8.0.170.0030.00517.16
8.0.160.0040.00417.07
8.0.150.0000.00717.00
8.0.140.0050.00217.00
8.0.130.0060.00013.45
8.0.120.0050.00317.05
8.0.110.0000.00717.14
8.0.100.0070.00017.05
8.0.90.0000.00817.13
8.0.80.0060.00916.99
8.0.70.0000.00817.11
8.0.60.0000.00817.09
8.0.50.0000.00816.96
8.0.30.0090.01117.30
8.0.20.0100.01217.40
8.0.10.0070.00017.05
8.0.00.0070.01116.89
7.4.330.0020.00215.00
7.4.320.0030.00316.75
7.4.300.0030.00316.77
7.4.290.0000.00816.70
7.4.280.0030.00316.74
7.4.270.0000.00716.71
7.4.260.0000.00716.78
7.4.250.0040.00416.68
7.4.240.0030.00416.74
7.4.230.0070.00016.79
7.4.220.0000.01716.63
7.4.210.0060.00916.69
7.4.200.0030.00316.88
7.4.190.0000.00816.85
7.4.160.0030.01216.50
7.4.150.0070.01017.40
7.4.140.0080.01017.86
7.4.130.0090.00816.64
7.4.120.0120.00516.81
7.4.110.0120.00416.84
7.4.100.0080.01116.75
7.4.90.0130.01016.68
7.4.80.0150.00519.39
7.4.70.0030.01516.73
7.4.60.0070.01016.77
7.4.50.0040.00416.48
7.4.40.0030.01422.77
7.4.30.0070.01016.85
7.4.00.0070.01115.22
7.3.330.0030.00313.37
7.3.320.0050.00013.58
7.3.310.0030.00316.55
7.3.300.0040.00316.50
7.3.290.0070.00716.50
7.3.280.0100.00516.48
7.3.270.0100.00617.40
7.3.260.0130.01016.53
7.3.250.0100.00916.53
7.3.240.0190.00016.75
7.3.230.0110.01116.66
7.3.210.0140.00316.46
7.3.200.0060.01319.39
7.3.190.0130.00416.57
7.3.180.0030.01216.57
7.3.170.0090.01216.54
7.3.160.0030.01316.68
7.3.120.0020.01415.09
7.3.110.0060.01215.11
7.3.100.0090.00915.02
7.3.90.0070.01015.22
7.3.80.0060.00614.77
7.3.70.0030.01015.04
7.3.60.0040.01214.97
7.3.50.0000.01515.05
7.3.40.0160.00014.73
7.3.30.0070.00714.97
7.3.20.0060.00616.78
7.3.10.0120.00316.46
7.3.00.0120.00316.64
7.2.330.0130.00316.96
7.2.320.0000.01816.74
7.2.310.0090.00616.66
7.2.300.0150.00416.64
7.2.290.0040.01216.88
7.2.250.0040.01415.14
7.2.240.0060.01215.13
7.2.230.0000.01215.37
7.2.220.0060.00315.21
7.2.210.0060.01015.39
7.2.200.0030.01015.33
7.2.190.0090.00615.32
7.2.180.0130.00615.39
7.2.170.0060.00615.15
7.2.00.0060.00319.66
7.1.330.0060.00916.05
7.1.320.0030.00615.81
7.1.310.0130.00016.05
7.1.300.0070.01015.91
7.1.290.0040.01415.82
7.1.280.0030.01015.79
7.1.270.0080.00415.91
7.1.260.0030.01216.13
7.1.100.0080.00318.22
7.1.70.0060.00917.08
7.1.60.0060.01819.82
7.1.50.0100.01417.16
7.1.00.0070.07322.39
7.0.200.0000.00816.84
7.0.140.0030.07322.01
7.0.60.0000.04320.08
7.0.50.0000.04317.89
7.0.40.0000.05320.13
7.0.30.0270.04020.32
7.0.20.0330.08020.18
7.0.10.0070.07720.07
7.0.00.0070.07720.24
5.6.280.0000.07720.86
5.6.210.0000.09020.51
5.6.200.0100.04018.18
5.6.190.0030.05320.64
5.6.180.0270.04320.60
5.6.170.0170.06020.55
5.6.160.0100.08020.44
5.6.150.0070.05318.19
5.6.140.0070.06718.28
5.6.130.0100.07718.19
5.6.120.0100.08020.95
5.6.110.0170.07321.13
5.6.100.0130.06021.01
5.6.90.0030.08321.00
5.6.80.0030.08320.36
5.6.70.4370.04020.37
5.5.350.0000.03320.41
5.5.340.0100.06017.93
5.5.330.0100.04020.40
5.5.320.0400.05720.34
5.5.310.0200.05020.24
5.5.300.0000.05317.98
5.5.290.0070.04017.98
5.5.280.0070.05320.65
5.5.270.0030.04020.73
5.5.260.0030.09020.77
5.5.250.0070.07720.71
5.5.240.0200.06320.27
5.4.450.0100.06319.34
5.4.440.0200.05019.47
5.4.430.0900.06019.20
5.4.420.1030.05019.54
5.4.410.0130.06019.09
5.4.400.0930.00018.53
5.4.390.0830.00018.76
5.4.380.0330.05018.47
5.4.370.0330.04718.49
5.4.360.0430.05718.76
5.4.350.0270.05018.84
5.4.340.0500.04318.75
5.4.320.0050.04612.51
5.4.310.0040.04412.50
5.4.300.0030.03912.51
5.4.290.0040.04512.50
5.4.280.0060.04012.39
5.4.270.0110.03212.40
5.4.260.0000.06019.01
5.4.250.0030.08318.80
5.4.240.0070.08018.75
5.4.230.0200.04318.90
5.4.220.0130.07319.03
5.4.210.0000.08318.76
5.4.200.0130.07018.97
5.4.190.0100.04718.65
5.4.180.0100.05318.93
5.4.170.0100.06018.95
5.4.160.0130.05018.76
5.4.150.0130.06018.98
5.4.140.0030.07716.45
5.4.130.0070.04716.30
5.4.120.0130.05716.58
5.4.110.0100.04716.40
5.4.100.0200.05716.41
5.4.90.0030.05016.37
5.4.80.0170.04016.46
5.4.70.0070.05316.48
5.4.60.0100.07316.34
5.4.50.0200.06016.41
5.4.40.0100.04716.52
5.4.30.0130.04716.46
5.4.20.0070.06716.36
5.4.10.0200.04016.30
5.4.00.0070.07015.81
5.3.290.0070.04012.80
5.3.280.0100.07014.68
5.3.270.0100.06714.68
5.3.260.0130.05014.68
5.3.250.0070.06314.50
5.3.240.0170.04714.68
5.3.230.0170.05314.57
5.3.220.0030.05014.73
5.3.210.0100.04714.55
5.3.200.0100.04714.47
5.3.190.0070.05014.70
5.3.180.0070.07314.39
5.3.170.0200.04014.69
5.3.160.0100.06714.46
5.3.150.0030.06014.59
5.3.140.0030.06714.38
5.3.130.0130.04714.53
5.3.120.0170.07014.76
5.3.110.0100.05014.68
5.3.100.0070.07714.00
5.3.90.0070.05314.18
5.3.80.0130.06014.18
5.3.70.0100.05014.18
5.3.60.0130.05014.08
5.3.50.0070.05014.01
5.3.40.0130.04314.11
5.3.30.0100.06313.74
5.3.20.0100.05713.87
5.3.10.0030.07313.65
5.3.00.0030.05313.62
5.2.170.0100.04311.04
5.2.160.0070.04711.04
5.2.150.0130.05710.89
5.2.140.0030.04311.04
5.2.130.0030.04311.01
5.2.120.0070.05711.20
5.2.110.0070.03711.25
5.2.100.0100.05010.86
5.2.90.0070.05710.93
5.2.80.0070.05711.08
5.2.70.0230.04011.09
5.2.60.0070.04010.96
5.2.50.0070.03710.91
5.2.40.0030.05710.91
5.2.30.0000.04310.86
5.2.20.0070.04010.97
5.2.10.0070.04010.87
5.2.00.0030.05310.60
5.1.60.0100.0409.88
5.1.50.0000.0379.93
5.1.40.0070.04310.02
5.1.30.0070.03310.23
5.1.20.0030.03710.33
5.1.10.0000.05010.12
5.1.00.0100.03010.28
5.0.50.0030.0308.50
5.0.40.0000.0308.29
5.0.30.0000.0478.46
5.0.20.0030.0378.28
5.0.10.0030.0278.20
5.0.00.0000.0477.99
4.4.90.0000.0277.43
4.4.80.0070.0277.43
4.4.70.0000.0237.43
4.4.60.0030.0207.43
4.4.50.0070.0237.43
4.4.40.0100.0307.33
4.4.30.0030.0307.33
4.4.20.0000.0237.33
4.4.10.0030.0207.33
4.4.00.0030.0377.33
4.3.110.0000.0237.33
4.3.100.0030.0207.33
4.3.90.0030.0207.33
4.3.80.0000.0377.33
4.3.70.0100.0177.33
4.3.60.0000.0337.33
4.3.50.0000.0277.33
4.3.40.0070.0407.33
4.3.30.0070.0177.33
4.3.20.0000.0337.33
4.3.10.0000.0277.33
4.3.00.0030.0236.84

preferences:
51.63 ms | 401 KiB | 5 Q