3v4l.org

run code in 300+ PHP versions simultaneously
<?php $where = 'a, b, c, d'; $patterns = "/[ ]/"; echo preg_replace($patterns, $where, '$1'); ?>

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)
8.3.60.0110.00718.41
8.3.50.0090.00922.06
8.3.40.0110.00718.85
8.3.30.0090.00619.09
8.3.20.0040.00420.36
8.3.10.0000.00822.00
8.3.00.0000.00922.40
8.2.180.0120.00918.64
8.2.170.0070.01522.96
8.2.160.0100.01020.89
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.48
8.2.110.0090.00022.08
8.2.100.0030.00919.77
8.2.90.0090.00019.28
8.2.80.0060.00319.66
8.2.70.0000.01017.50
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0000.00818.16
8.2.30.0070.00017.96
8.2.20.0000.00817.83
8.2.10.0030.00517.75
8.2.00.0100.00017.70
8.1.280.0160.00025.92
8.1.270.0060.00322.08
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0040.00723.83
8.1.230.0080.00419.05
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0040.00417.39
8.1.180.0060.00318.10
8.1.170.0040.00418.59
8.1.160.0070.00021.97
8.1.150.0040.00418.77
8.1.140.0060.00317.57
8.1.130.0070.00017.76
8.1.120.0000.00817.58
8.1.110.0070.00017.53
8.1.100.0040.00417.50
8.1.90.0030.00317.53
8.1.80.0050.00317.57
8.1.70.0030.00317.41
8.1.60.0050.00517.69
8.1.50.0050.00217.56
8.1.40.0000.00717.62
8.1.30.0000.00817.62
8.1.20.0040.00417.72
8.1.10.0000.00717.68
8.1.00.0050.00217.45
8.0.300.0030.00318.77
8.0.290.0040.00417.17
8.0.280.0000.00718.46
8.0.270.0070.00017.27
8.0.260.0040.00416.95
8.0.250.0050.00317.11
8.0.240.0030.00617.13
8.0.230.0040.00417.07
8.0.220.0080.00016.88
8.0.210.0040.00417.01
8.0.200.0030.00316.99
8.0.190.0030.00517.07
8.0.180.0040.00417.02
8.0.170.0000.00716.94
8.0.160.0080.00017.02
8.0.150.0040.00416.98
8.0.140.0040.00416.84
8.0.130.0030.00313.43
8.0.120.0080.00016.81
8.0.110.0040.00417.03
8.0.100.0000.00716.76
8.0.90.0040.00416.88
8.0.80.0050.01117.02
8.0.70.0050.00316.92
8.0.60.0030.00616.84
8.0.50.0000.00917.04
8.0.30.0120.00817.18
8.0.20.0120.00617.40
8.0.10.0030.00517.15
8.0.00.0140.00517.09
7.4.330.0020.00215.16
7.4.320.0030.00316.71
7.4.300.0000.00716.56
7.4.290.0000.01016.65
7.4.280.0040.00416.59
7.4.270.0000.00716.65
7.4.260.0000.00816.52
7.4.250.0030.00616.71
7.4.240.0030.00516.76
7.4.230.0000.00716.86
7.4.220.0100.01316.68
7.4.210.0120.00616.62
7.4.200.0000.00716.73
7.4.190.0040.00416.78
7.4.160.0030.01316.68
7.4.150.0120.00617.40
7.4.140.0120.00817.86
7.4.130.0100.00916.66
7.4.120.0070.00916.68
7.4.110.0160.00416.55
7.4.100.0090.00916.88
7.4.90.0100.00716.62
7.4.80.0080.00919.39
7.4.70.0080.00816.73
7.4.60.0140.00716.65
7.4.50.0030.00516.59
7.4.40.0000.01022.77
7.4.30.0040.01216.65
7.4.00.0080.00314.92
7.3.330.0020.00213.20
7.3.320.0060.00313.20
7.3.310.0000.00716.11
7.3.300.0030.00316.27
7.3.290.0080.01216.25
7.3.280.0070.00916.28
7.3.270.0100.00717.40
7.3.260.0030.01316.60
7.3.250.0080.01216.43
7.3.240.0080.00816.32
7.3.230.0060.01316.63
7.3.210.0120.00916.31
7.3.200.0110.01119.39
7.3.190.0090.01516.27
7.3.180.0100.00616.23
7.3.170.0090.01316.70
7.3.160.0090.00616.33
7.3.120.0080.00414.82
7.2.330.0080.00816.48
7.2.320.0150.00316.45
7.2.310.0080.00816.77
7.2.300.0090.00916.61
7.2.290.0030.01716.51
7.2.00.0000.01719.46
7.1.100.0090.00618.57
7.1.70.0040.00417.20
7.1.60.0160.00919.82
7.1.50.0090.00916.77
7.1.00.0030.07722.49
7.0.200.0000.00816.86
7.0.140.0000.07721.95
7.0.100.0100.07719.97
7.0.90.0030.08320.16
7.0.80.0100.06719.89
7.0.70.0130.07319.90
7.0.60.0170.07019.85
7.0.50.0030.08720.20
7.0.40.0170.07720.03
7.0.30.0070.08320.03
7.0.20.0170.07320.14
7.0.10.0070.08320.14
7.0.00.0000.06020.10
5.6.280.0070.07020.81
5.6.250.0070.07720.78
5.6.240.0030.09020.63
5.6.230.0070.05720.62
5.6.220.0030.05320.61
5.6.210.0070.08320.43
5.6.200.0100.07720.95
5.6.190.0030.09021.05
5.6.180.0100.07721.04
5.6.170.0030.05021.10
5.6.160.0100.08321.04
5.6.150.0070.08021.08
5.6.140.0300.05721.16
5.6.130.0070.08321.01
5.6.120.0000.06720.93
5.6.110.0100.07721.09
5.6.100.0200.07021.03
5.6.90.0070.09321.09
5.6.80.0030.08320.43
5.6.70.0030.08320.32
5.6.60.0100.07720.31
5.6.50.0100.07320.55
5.6.40.0130.07320.36
5.6.30.0170.06720.44
5.6.20.0100.07720.51
5.6.10.0100.08020.29
5.6.00.0070.08320.36
5.5.380.0130.06020.49
5.5.370.0030.08020.39
5.5.360.0030.06720.38
5.5.350.0100.08320.43
5.5.340.0100.07720.82
5.5.330.0070.07320.87
5.5.320.0070.08020.82
5.5.310.0070.09020.63
5.5.300.0100.07320.89
5.5.290.0030.05320.82
5.5.280.0170.07720.89
5.5.270.0170.03720.90
5.5.260.0070.08720.90
5.5.250.0030.05720.66
5.5.240.0070.07720.21
5.5.230.0100.07320.17
5.5.220.0030.05020.14
5.5.210.0070.07720.22
5.5.200.0000.07320.12
5.5.190.0200.06020.14
5.5.180.0130.07020.12
5.5.160.0130.07320.18
5.5.150.0030.08320.27
5.5.140.0100.06020.21
5.5.130.0170.07320.13
5.5.120.0030.08320.16
5.5.110.0130.06320.15
5.5.100.0070.08020.16
5.5.90.0130.07020.15
5.5.80.0170.06320.00
5.5.70.0130.07720.06
5.5.60.0070.05020.02
5.5.50.0030.05020.05
5.5.40.0070.07020.09
5.5.30.0070.04720.02
5.5.20.0070.08020.04
5.5.10.0100.06319.97
5.5.00.0130.07020.04
5.4.450.0030.08719.48
5.4.440.0100.07719.48
5.4.430.0200.05719.13
5.4.420.0100.06719.38
5.4.410.0100.07019.14
5.4.400.0030.07018.95
5.4.390.0030.07718.96
5.4.380.0030.07718.82
5.4.370.0200.05319.06
5.4.360.0130.07319.06
5.4.350.0100.05319.22
5.4.340.0070.05018.82
5.4.320.0100.07319.12
5.4.310.0130.06718.93
5.4.300.0130.06719.11
5.4.290.0000.08319.03
5.4.280.0070.07719.02
5.4.270.0000.08019.12
5.4.260.0000.05318.78
5.4.250.0070.07019.04
5.4.240.0070.07319.03
5.4.230.0130.07019.05
5.4.220.0170.07319.03
5.4.210.0170.06318.96
5.4.200.0030.07719.03
5.4.190.0100.07019.21
5.4.180.0070.07018.88
5.4.170.0170.06718.88
5.4.160.0070.07719.07
5.4.150.0100.06718.87
5.4.140.0130.07016.30
5.4.130.0130.06316.36
5.4.120.0070.07316.05
5.4.110.0070.04716.44
5.4.100.0100.06016.26
5.4.90.0100.07316.20
5.4.80.0130.06716.20
5.4.70.0070.06716.21
5.4.60.0070.04716.34
5.4.50.0100.04016.33
5.4.40.0030.06716.41
5.4.30.0030.07016.36
5.4.20.0070.07316.28
5.4.10.0070.07016.27
5.4.00.0070.07315.81
5.3.290.0030.05014.65
5.3.280.0100.07314.58
5.3.270.0030.07714.59
5.3.260.0000.08314.46
5.3.250.0100.07314.55
5.3.240.0100.04314.56
5.3.230.0070.07714.48
5.3.220.0030.06714.54
5.3.210.0070.07314.52
5.3.200.0070.07314.47
5.3.190.0130.05314.55
5.3.180.0000.06314.41
5.3.170.0100.03314.43
5.3.160.0030.04714.56
5.3.150.0070.06014.55
5.3.140.0130.06014.37
5.3.130.0070.05714.40
5.3.120.0070.07314.53
5.3.110.0100.07314.54
5.3.100.0030.07313.89
5.3.90.0070.06714.02
5.3.80.0100.03314.02
5.3.70.0100.07713.98
5.3.60.0100.05013.86
5.3.50.0100.06713.95
5.3.40.0130.07013.70
5.3.30.0200.04013.76
5.3.20.0000.05313.63
5.3.10.0070.07013.51
5.3.00.0100.06313.60
5.2.170.0100.05711.20
5.2.160.0070.05010.98
5.2.150.0030.03710.96
5.2.140.0070.05311.10
5.2.130.0000.04711.02
5.2.120.0000.06310.95
5.2.110.0070.06011.12
5.2.100.0070.03011.14
5.2.90.0070.06010.96
5.2.80.0070.05711.09
5.2.70.0070.06010.88
5.2.60.0000.05311.10
5.2.50.0030.06010.87
5.2.40.0030.04310.88
5.2.30.0100.06010.82
5.2.20.0000.06310.79
5.2.10.0100.05310.89
5.2.00.0070.05310.57
5.1.60.0030.05310.06
5.1.50.0030.03010.06
5.1.40.0030.05310.06
5.1.30.0030.05310.28
5.1.20.0030.03010.39
5.1.10.0030.05310.06
5.1.00.0000.03310.13
5.0.50.0030.04710.06
5.0.40.0030.04710.06
5.0.30.0070.05310.06
5.0.20.0070.02010.06
5.0.10.0070.04310.06
5.0.00.0000.05710.06
4.4.90.0000.03710.06
4.4.80.0000.03710.06
4.4.70.0000.03710.06
4.4.60.0070.03010.06
4.4.50.0030.03010.06
4.4.40.0030.05010.06
4.4.30.0000.03710.06
4.4.20.0030.03710.06
4.4.10.0070.03310.06
4.4.00.0070.03310.06
4.3.110.0000.04010.06
4.3.100.0030.02010.06
4.3.90.0030.03310.06
4.3.80.0030.04310.06
4.3.70.0030.03310.06
4.3.60.0030.03010.06
4.3.50.0030.03310.06
4.3.40.0000.05310.06
4.3.30.0000.03010.06
4.3.20.0000.03310.06
4.3.10.0000.03710.06
4.3.00.0030.03310.06

preferences:
43.08 ms | 400 KiB | 5 Q