3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = ' Hello World'; //x4 spaces echo preg_replace("/\/m\G {2}/","\t",$var);

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)
8.3.40.0160.00620.85
8.3.30.0040.01118.82
8.3.20.0000.00818.96
8.3.10.0030.00618.95
8.3.00.0090.00019.50
8.2.170.0120.00322.96
8.2.160.0070.01018.79
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00821.06
8.2.110.0030.00722.25
8.2.100.0040.00717.91
8.2.90.0060.00317.88
8.2.80.0060.00318.69
8.2.70.0050.00517.61
8.2.60.0000.00817.63
8.2.50.0000.00817.75
8.2.40.0060.00317.88
8.2.30.0070.00217.84
8.2.20.0050.00517.64
8.2.10.0080.00017.81
8.2.00.0000.00717.80
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.86
8.1.230.0060.00619.09
8.1.220.0000.00817.79
8.1.210.0050.00318.77
8.1.200.0000.00817.23
8.1.190.0000.00817.13
8.1.180.0030.00618.10
8.1.170.0050.00317.62
8.1.160.0060.00318.63
8.1.150.0030.00718.78
8.1.140.0000.00817.45
8.1.130.0000.00717.84
8.1.120.0000.00717.46
8.1.110.0040.00417.50
8.1.100.0040.00317.54
8.1.90.0000.00817.42
8.1.80.0040.00417.59
8.1.70.0060.00317.52
8.1.60.0060.00617.69
8.1.50.0000.00817.52
8.1.40.0060.00317.49
8.1.30.0090.00017.63
8.1.20.0040.00417.66
8.1.10.0080.00017.59
8.1.00.0050.00217.60
8.0.300.0000.00718.77
8.0.290.0030.00616.88
8.0.280.0030.00418.20
8.0.270.0030.00317.33
8.0.260.0030.00316.96
8.0.250.0040.00417.01
8.0.240.0040.00416.98
8.0.230.0000.00717.04
8.0.220.0050.00316.83
8.0.210.0000.00716.92
8.0.200.0000.00616.89
8.0.190.0040.00417.09
8.0.180.0000.00816.91
8.0.170.0040.00416.89
8.0.160.0050.00217.09
8.0.150.0030.00616.95
8.0.140.0000.00816.82
8.0.130.0000.00613.33
8.0.120.0080.00016.88
8.0.110.0040.00416.96
8.0.100.0040.00416.84
8.0.90.0000.00716.96
8.0.80.0130.00317.03
8.0.70.0040.00416.86
8.0.60.0040.00417.02
8.0.50.0040.00416.83
8.0.30.0030.01217.31
8.0.20.0120.00717.47
8.0.10.0000.00717.00
8.0.00.0120.00616.87
7.4.330.0050.00013.21
7.4.320.0000.00716.55
7.4.300.0000.00716.63
7.4.290.0040.00416.65
7.4.280.0050.00316.75
7.4.270.0030.00316.69
7.4.260.0050.00013.40
7.4.250.0070.00016.69
7.4.240.0050.00316.61
7.4.230.0030.00316.77
7.4.220.0120.00616.59
7.4.210.0070.01416.68
7.4.200.0070.00016.73
7.4.190.0000.00716.92
7.4.160.0060.01016.51
7.4.150.0090.00916.63
7.4.140.0100.00716.62
7.4.130.0060.01016.50
7.4.120.0080.01416.62
7.4.110.0090.00916.71
7.4.100.0130.00316.65
7.4.90.0100.00716.72
7.4.80.0120.00919.39
7.4.70.0080.00816.40
7.4.60.0080.01116.60
7.4.50.0040.00416.69
7.4.40.0060.01016.64
7.4.30.0100.00716.65
7.4.00.0040.00814.81
7.3.330.0030.00313.12
7.3.320.0000.00713.00
7.3.310.0000.00716.29
7.3.300.0070.00016.20
7.3.290.0070.00716.26
7.3.280.0110.00716.27
7.3.270.0060.01216.45
7.3.260.0040.01216.61
7.3.250.0080.01116.48
7.3.240.0060.01216.61
7.3.230.0130.00816.68
7.3.210.0070.01016.57
7.3.200.0070.01116.30
7.3.190.0030.01316.59
7.3.180.0030.01416.70
7.3.170.0030.01216.55
7.3.160.0140.00316.45
7.3.120.0040.01114.74
7.3.10.0060.01016.65
7.3.00.0090.00916.55
7.2.330.0070.01016.59
7.2.320.0150.00316.56
7.2.310.0130.01016.43
7.2.300.0080.00816.71
7.2.290.0120.00416.63
7.2.130.0060.00916.39
7.2.120.0120.00416.86
7.2.110.0050.01116.53
7.2.100.0200.00316.52
7.2.90.0140.00516.51
7.2.80.0200.00316.52
7.2.70.0030.01616.69
7.2.60.0080.00816.78
7.2.50.0110.01116.61
7.2.40.0060.01316.73
7.2.30.0120.01216.62
7.2.20.0140.00716.37
7.2.10.0120.01216.57
7.2.00.0100.01016.68
7.1.250.0120.00615.43
7.1.200.0070.00315.70
7.1.70.0080.00016.97
7.1.60.0100.01319.30
7.1.50.0100.00717.13
7.1.00.0070.07022.32
7.0.200.0030.00716.73
7.0.140.0030.07321.95
7.0.120.0030.07722.04
7.0.60.0100.04719.77
7.0.50.0130.07317.81
7.0.40.0070.07720.00
7.0.30.0300.05320.21
7.0.20.0230.08020.05
7.0.10.0070.04020.10
7.0.00.0030.09320.04
5.6.280.0030.07320.88
5.6.210.0000.04720.45
5.6.200.0030.05718.12
5.6.190.0100.07020.46
5.6.180.0200.04720.61
5.6.170.0200.03720.54
5.6.160.0030.04020.52
5.6.150.0100.04318.21
5.6.140.0130.07318.16
5.6.130.0070.08718.18
5.6.120.0100.08321.05
5.6.110.0130.08021.09
5.6.100.0170.07320.97
5.6.90.0130.07721.09
5.6.80.0170.06720.37
5.5.350.0230.06720.32
5.5.340.0100.07017.91
5.5.330.0100.08020.13
5.5.320.0300.07020.32
5.5.310.0300.07720.32
5.5.300.0130.07317.89
5.5.290.0030.04717.92
5.5.280.0070.05320.76
5.5.270.0000.04720.77
5.5.260.0100.07720.96
5.5.250.0100.04020.61
5.5.240.0030.08020.25
5.4.450.0030.06719.45
5.4.440.0070.03719.51
5.4.430.0070.07319.28
5.4.420.0130.07719.49
5.4.410.0170.06019.11
5.4.400.0000.04319.18
5.4.390.0100.06719.14
5.4.380.0130.07319.18
5.4.370.0100.06719.18
5.4.360.0030.04018.75
5.4.350.0170.06719.08
5.4.340.0130.03019.18
5.4.320.0070.03719.09
5.4.310.0170.03019.08
5.4.300.0100.04018.77
5.4.290.0070.05718.79
5.4.280.0070.05319.15
5.4.270.0000.07719.15
5.4.260.0030.04318.79
5.4.250.0100.06319.18
5.4.240.0070.07318.78
5.4.230.0170.06319.14
5.4.220.0000.05718.99
5.4.210.0030.07719.14
5.4.200.0030.04319.07
5.4.190.0100.07018.78
5.4.180.0170.05718.77
5.4.170.0000.04318.94
5.4.160.0200.03319.16
5.4.150.0070.08019.12
5.4.140.0100.07016.38
5.4.130.0030.06716.33
5.4.120.0070.07016.25
5.4.110.0070.03716.36
5.4.100.0070.05316.28
5.4.90.0130.02716.24
5.4.80.0170.04016.35
5.4.70.0100.07016.13
5.4.60.0070.06016.32
5.4.50.0170.06716.24
5.4.40.0030.04016.25
5.4.30.0070.07716.26
5.4.20.0030.06016.21
5.4.10.0100.03316.27
5.4.00.0030.03715.70
5.3.290.0030.08314.59
5.3.280.0070.07314.52
5.3.270.0030.04014.53
5.3.260.0030.08014.55
5.3.250.0000.05714.55
5.3.240.0030.06014.52
5.3.230.0170.07014.53
5.3.220.0170.06314.50
5.3.210.0100.07714.54
5.3.200.0070.06314.54
5.3.190.0070.04014.48
5.3.180.0000.04314.64
5.3.170.0030.07714.44
5.3.160.0030.05714.50
5.3.150.0130.04314.50
5.3.140.0070.05014.47
5.3.130.0130.04014.48
5.3.120.0170.06714.52
5.3.110.0100.07714.47
5.3.100.0070.06013.91
5.3.90.0030.07014.00
5.3.80.0000.04013.95
5.3.70.0000.08013.95
5.3.60.0130.07013.84
5.3.50.0070.07313.86
5.3.40.0070.04713.87
5.3.30.0070.07313.88
5.3.20.0070.07713.63
5.3.10.0100.07313.59
5.3.00.0070.03313.42
5.2.170.0130.02311.16
5.2.160.0030.03311.14
5.2.150.0030.04311.13
5.2.140.0130.05311.13
5.2.130.0100.05710.98
5.2.120.0070.05311.02
5.2.110.0030.03310.93
5.2.100.0070.05310.98
5.2.90.0030.03311.09
5.2.80.0100.06010.98
5.2.70.0030.06310.99
5.2.60.0030.05711.02
5.2.50.0100.06010.95
5.2.40.0070.05711.07
5.2.30.0100.03710.95
5.2.20.0070.05710.89
5.2.10.0070.03710.86
5.2.00.0000.04010.70
5.1.60.0100.0479.96
5.1.50.0030.0239.82
5.1.40.0030.03310.04
5.1.30.0030.02710.34
5.1.20.0030.04010.52
5.1.10.0070.02310.01
5.1.00.0000.03310.05
5.0.50.0000.0278.50
5.0.40.0070.0138.46
5.0.30.0000.0638.13
5.0.20.0070.0208.35
5.0.10.0030.0238.14
5.0.00.0000.0338.13
4.4.90.0000.0307.88
4.4.80.0030.0177.88
4.4.70.0000.0237.88
4.4.60.0030.0337.88
4.4.50.0070.0237.88
4.4.40.0030.0537.88
4.4.30.0070.0277.88
4.4.20.0000.0207.88
4.4.10.0070.0307.88
4.4.00.0030.0277.88
4.3.110.0000.0237.88
4.3.100.0000.0307.88
4.3.90.0000.0207.88
4.3.80.0000.0577.88
4.3.70.0070.0177.88
4.3.60.0000.0177.88
4.3.50.0000.0177.88
4.3.40.0000.0237.88
4.3.30.0000.0237.88
4.3.20.0000.0277.88
4.3.10.0000.0277.88
4.3.00.0000.0207.88

preferences:
51.95 ms | 400 KiB | 5 Q