3v4l.org

run code in 300+ PHP versions simultaneously
<?php $msg = "1a12v21s1fs4d4"; $txt = "/(1[a-z]+1)|(4[a-z]4)/"; $res = preg_replace($txt,"$1 $2",$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)
8.3.40.0120.00318.97
8.3.30.0140.00019.09
8.3.20.0000.00720.40
8.3.10.0050.00322.27
8.3.00.0040.00422.39
8.2.170.0070.00722.96
8.2.160.0170.00020.93
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0050.00226.16
8.2.120.0030.00619.48
8.2.110.0030.00719.31
8.2.100.0090.00317.84
8.2.90.0000.00918.97
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0110.00017.80
8.2.50.0000.00818.10
8.2.40.0000.00818.22
8.2.30.0050.00218.04
8.2.20.0040.00417.67
8.2.10.0040.00417.81
8.2.00.0070.00317.80
8.1.270.0050.00322.14
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0050.00523.80
8.1.230.0000.01217.77
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0040.00417.35
8.1.190.0030.00517.35
8.1.180.0090.00018.10
8.1.170.0040.00418.77
8.1.160.0000.00821.97
8.1.150.0030.00618.64
8.1.140.0040.00417.48
8.1.130.0000.00717.86
8.1.120.0050.00217.54
8.1.110.0050.00317.61
8.1.100.0000.00817.43
8.1.90.0060.00317.43
8.1.80.0030.00317.60
8.1.70.0070.00017.52
8.1.60.0060.00317.57
8.1.50.0030.00617.49
8.1.40.0040.00417.56
8.1.30.0000.00817.73
8.1.20.0040.00417.58
8.1.10.0000.00917.63
8.1.00.0000.00817.64
8.0.300.0000.00818.77
8.0.290.0050.00316.72
8.0.280.0060.00318.47
8.0.270.0000.00717.27
8.0.260.0030.00316.89
8.0.250.0000.00717.02
8.0.240.0030.00317.08
8.0.230.0000.00816.87
8.0.220.0000.00617.02
8.0.210.0020.00516.98
8.0.200.0070.00017.02
8.0.190.0000.00816.99
8.0.180.0070.00016.86
8.0.170.0040.00416.88
8.0.160.0080.00017.01
8.0.150.0000.00716.82
8.0.140.0070.00016.93
8.0.130.0030.00313.36
8.0.120.0080.00016.90
8.0.110.0040.00416.93
8.0.100.0000.00816.96
8.0.90.0040.00416.99
8.0.80.0070.01016.96
8.0.70.0000.01016.95
8.0.60.0070.00016.93
8.0.50.0050.00316.86
8.0.30.0130.00617.46
8.0.20.0120.00617.40
8.0.10.0040.00416.97
8.0.00.0100.00716.83
7.4.330.0000.00515.00
7.4.320.0000.00616.79
7.4.300.0000.00616.63
7.4.290.0030.00316.75
7.4.280.0080.00016.63
7.4.270.0050.00316.78
7.4.260.0030.00616.74
7.4.250.0030.00516.70
7.4.240.0050.00216.67
7.4.230.0070.00016.81
7.4.220.0070.01016.71
7.4.210.0090.00816.67
7.4.200.0000.00716.77
7.4.190.0080.00016.78
7.4.160.0050.01016.35
7.4.150.0030.01317.40
7.4.140.0080.01117.86
7.4.130.0120.00916.63
7.4.120.0140.00516.66
7.4.110.0100.00716.59
7.4.100.0150.00916.70
7.4.90.0070.01016.57
7.4.80.0140.00319.39
7.4.70.0110.00716.73
7.4.60.0120.00616.63
7.4.50.0000.00816.43
7.4.40.0100.00622.77
7.4.30.0120.00616.70
7.4.00.0090.00715.03
7.3.330.0030.00313.22
7.3.320.0020.00213.13
7.3.310.0040.00416.28
7.3.300.0000.00716.25
7.3.290.0100.00316.31
7.3.280.0080.01316.36
7.3.270.0180.00617.40
7.3.260.0130.00316.29
7.3.250.0130.00716.38
7.3.240.0110.00716.37
7.3.230.0070.01016.41
7.3.210.0080.00816.57
7.3.200.0100.01319.39
7.3.190.0160.00316.35
7.3.180.0070.01416.37
7.3.170.0150.00316.33
7.3.160.0060.00916.79
7.3.120.0100.00214.95
7.3.110.0000.01515.06
7.3.100.0030.01314.67
7.3.90.0060.00614.71
7.3.80.0040.01114.71
7.3.70.0080.00414.93
7.3.60.0040.00814.66
7.3.50.0090.00014.70
7.3.40.0060.00314.71
7.3.30.0030.01014.88
7.3.20.0120.00316.87
7.3.10.0070.00316.63
7.3.00.0030.01016.41
7.2.330.0060.01216.81
7.2.320.0060.01616.76
7.2.310.0130.00316.64
7.2.300.0160.00016.63
7.2.290.0090.00916.48
7.2.250.0120.00615.15
7.2.240.0070.01115.05
7.2.230.0060.00915.09
7.2.220.0070.00714.99
7.2.210.0040.01414.91
7.2.200.0070.00715.18
7.2.190.0090.00615.06
7.2.180.0020.01515.19
7.2.170.0040.00815.16
7.2.60.0030.01016.98
7.2.00.0060.00919.45
7.1.330.0000.01516.01
7.1.320.0120.00315.64
7.1.310.0060.00615.91
7.1.300.0060.00315.72
7.1.290.0040.01115.98
7.1.280.0120.00315.70
7.1.270.0000.01115.59
7.1.260.0060.00616.12
7.1.200.0000.01215.70
7.1.100.0100.00318.37
7.1.70.0000.00917.23
7.1.60.0190.01115.72
7.1.50.0100.01617.13
7.1.00.0000.08022.46
7.0.200.0070.01016.92
7.0.140.0100.06721.92
7.0.60.0130.07319.92
7.0.50.0070.03717.89
7.0.40.0070.07320.08
7.0.30.0300.07720.15
7.0.20.0170.05720.22
7.0.10.0170.06320.31
7.0.00.0070.07020.19
5.6.280.0000.07721.02
5.6.210.0100.07320.55
5.6.200.0100.07318.21
5.6.190.0070.08020.61
5.6.180.3630.04720.63
5.6.170.0270.04720.54
5.6.160.0070.08320.49
5.6.150.0000.04718.16
5.6.140.0100.08018.23
5.6.130.0030.09018.20
5.6.120.0070.08720.99
5.6.110.0030.05321.13
5.6.100.0030.07321.12
5.6.90.0130.06720.96
5.6.80.0130.06020.37
5.6.70.0230.08020.39
5.5.350.0030.07720.42
5.5.340.0070.09017.91
5.5.330.0000.04320.21
5.5.320.0170.08320.28
5.5.310.0300.06020.34
5.5.300.0100.05017.98
5.5.290.0030.05017.97
5.5.280.0070.08320.76
5.5.270.0100.08020.77
5.5.260.0030.08020.79
5.5.250.0070.08320.45
5.5.240.0070.04320.25
5.4.450.0200.05319.64
5.4.440.0230.05019.49
5.4.430.0070.05719.48
5.4.420.0100.05319.51
5.4.410.0100.05319.36
5.4.400.0770.00018.77
5.4.390.0770.00018.74
5.4.380.0270.07718.76
5.4.370.0300.05718.77
5.4.360.0330.05018.72
5.4.350.0430.04318.57
5.4.340.0370.05318.46
5.4.320.0060.03712.45
5.4.310.0070.04512.45
5.4.300.0060.03612.45
5.4.290.0070.04412.45
5.4.280.0050.03612.34
5.4.270.0030.04312.35
5.4.260.0100.07318.65
5.4.250.0130.05718.73
5.4.240.0130.06018.94
5.4.230.0100.07718.79
5.4.220.0030.06018.89
5.4.210.0030.08318.88
5.4.200.0070.07718.74
5.4.190.0070.05718.75
5.4.180.0070.07718.72
5.4.170.0130.05018.64
5.4.160.0130.05318.68
5.4.150.0130.05318.73
5.4.140.0100.05016.25
5.4.130.0130.05016.47
5.4.120.0100.04716.40
5.4.110.0130.04716.43
5.4.100.0130.04316.34
5.4.90.0030.05716.50
5.4.80.0100.05016.51
5.4.70.0170.04716.22
5.4.60.0070.06016.50
5.4.50.0030.05016.40
5.4.40.0070.05016.37
5.4.30.0070.05016.32
5.4.20.0130.07016.18
5.4.10.0070.07316.39
5.4.00.0030.06315.72
5.3.290.0060.04112.80
5.3.280.0100.07314.61
5.3.270.0030.05714.69
5.3.260.0000.06714.48
5.3.250.0130.05714.46
5.3.240.0200.06714.75
5.3.230.0030.06714.69
5.3.220.0100.05014.60
5.3.210.0070.06014.71
5.3.200.0130.04714.61
5.3.190.0130.06714.58
5.3.180.0100.05014.60
5.3.170.0130.05014.65
5.3.160.0070.06314.56
5.3.150.0070.05714.71
5.3.140.0030.05714.70
5.3.130.0100.06314.38
5.3.120.0030.06014.54
5.3.110.0100.05014.56
5.3.100.0030.05713.92
5.3.90.0100.05013.88
5.3.80.0170.05314.03
5.3.70.0070.07313.88
5.3.60.0030.05713.83
5.3.50.0270.06013.71
5.3.40.0100.05013.96
5.3.30.0070.06013.91
5.3.20.0100.05313.63
5.3.10.0100.07013.64
5.3.00.0170.05713.57
5.2.170.0200.05011.06
5.2.160.0200.04011.14
5.2.150.0130.05711.30
5.2.140.0030.04711.29
5.2.130.0000.06711.21
5.2.120.0100.05311.00
5.2.110.0070.04011.25
5.2.100.0100.05310.86
5.2.90.0130.05311.10
5.2.80.0030.04310.99
5.2.70.0070.04311.10
5.2.60.0100.03710.88
5.2.50.0030.04311.03
5.2.40.0230.02710.89
5.2.30.0170.03011.00
5.2.20.0030.04710.89
5.2.10.0100.04710.91
5.2.00.0070.05710.77
5.1.60.0070.0379.97
5.1.50.0000.05310.05
5.1.40.0070.0339.93
5.1.30.0070.03710.23
5.1.20.0130.04710.25
5.1.10.0070.03310.14
5.1.00.0200.0239.95
5.0.50.0030.0308.69
5.0.40.0070.0278.55
5.0.30.0000.0637.98
5.0.20.0030.0278.42
5.0.10.0100.0278.14
5.0.00.0070.0438.09
4.4.90.0000.0236.71
4.4.80.0030.0206.71
4.4.70.0000.0236.71
4.4.60.0030.0236.71
4.4.50.0030.0306.71
4.4.40.0100.0336.71
4.4.30.0000.0236.71
4.4.20.0070.0176.71
4.4.10.0070.0176.71
4.4.00.0000.0406.71
4.3.110.0070.0176.71
4.3.100.0070.0176.71
4.3.90.0000.0336.71
4.3.80.0000.0376.71
4.3.70.0030.0306.71
4.3.60.0070.0276.71
4.3.50.0030.0206.71
4.3.40.0070.0376.71
4.3.30.0030.0206.71
4.3.20.0000.0237.34
4.3.10.0000.0277.34
4.3.00.0030.0237.24

preferences:
46.66 ms | 400 KiB | 5 Q