3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = ' Hello World'; //x4 spaces echo preg_replace("/\G {2}/","\t",$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)
8.3.40.0100.01018.97
8.3.30.0140.00419.03
8.3.20.0070.00020.39
8.3.10.0000.00823.48
8.3.00.0040.00420.57
8.2.170.0130.00322.96
8.2.160.0140.00022.21
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0070.01126.16
8.2.120.0040.00421.01
8.2.110.0040.00422.13
8.2.100.0090.00317.91
8.2.90.0000.00919.19
8.2.80.0070.00018.04
8.2.70.0030.00517.88
8.2.60.0030.00518.03
8.2.50.0090.00318.07
8.2.40.0040.00418.22
8.2.30.0000.00818.11
8.2.20.0000.00817.68
8.2.10.0000.00819.42
8.2.00.0000.00717.64
8.1.270.0050.00323.83
8.1.260.0110.00426.35
8.1.250.0140.00528.09
8.1.240.0050.00523.98
8.1.230.0110.00019.01
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0000.00917.25
8.1.190.0050.00317.40
8.1.180.0060.00318.10
8.1.170.0050.00318.70
8.1.160.0040.00421.89
8.1.150.0000.00718.70
8.1.140.0030.00617.53
8.1.130.0070.00017.85
8.1.120.0000.00717.54
8.1.110.0040.00417.57
8.1.100.0090.00017.56
8.1.90.0040.00417.55
8.1.80.0000.00717.44
8.1.70.0070.00017.43
8.1.60.0030.00617.67
8.1.50.0000.00817.54
8.1.40.0000.00817.55
8.1.30.0090.00017.74
8.1.20.0000.00717.60
8.1.10.0070.00017.57
8.1.00.0000.00817.61
8.0.300.0000.00818.77
8.0.290.0070.00017.05
8.0.280.0080.00018.38
8.0.270.0030.00317.22
8.0.260.0030.00316.95
8.0.250.0030.00317.13
8.0.240.0050.00316.99
8.0.230.0000.00716.90
8.0.220.0030.00317.04
8.0.210.0000.00716.83
8.0.200.0030.00317.07
8.0.190.0080.00017.05
8.0.180.0040.00417.02
8.0.170.0050.00516.90
8.0.160.0000.00717.03
8.0.150.0080.00016.82
8.0.140.0020.00516.85
8.0.130.0060.00013.42
8.0.120.0000.00716.83
8.0.110.0070.00016.85
8.0.100.0030.00516.96
8.0.90.0030.00316.88
8.0.80.0090.00616.89
8.0.70.0000.00816.99
8.0.60.0050.00316.84
8.0.50.0080.00016.84
8.0.30.0110.00817.34
8.0.20.0090.00917.46
8.0.10.0000.00717.04
8.0.00.0100.00816.73
7.4.330.0000.00515.00
7.4.320.0060.00016.54
7.4.300.0000.00616.64
7.4.290.0000.00716.56
7.4.280.0030.00316.78
7.4.270.0050.00316.64
7.4.260.0100.00016.52
7.4.250.0050.00316.71
7.4.240.0020.00516.69
7.4.230.0030.00316.73
7.4.220.0070.01116.63
7.4.210.0050.01016.77
7.4.200.0000.00716.70
7.4.190.0000.00716.88
7.4.160.0100.01016.49
7.4.150.0100.01017.40
7.4.140.0130.00717.86
7.4.130.0120.00716.62
7.4.120.0070.01316.77
7.4.110.0130.00716.57
7.4.100.0090.00916.70
7.4.90.0090.00616.59
7.4.80.0080.00916.64
7.4.70.0120.00916.62
7.4.60.0120.00616.69
7.4.50.0050.00016.74
7.4.40.0100.00322.77
7.4.30.0080.01516.85
7.4.00.0080.00814.79
7.3.330.0000.00713.08
7.3.320.0000.00513.26
7.3.310.0030.00316.36
7.3.300.0000.00616.28
7.3.290.0040.01116.24
7.3.280.0070.01216.28
7.3.270.0070.01017.40
7.3.260.0160.00316.49
7.3.250.0120.00616.48
7.3.240.0110.00516.68
7.3.230.0030.01316.50
7.3.210.0140.00316.58
7.3.200.0130.01019.39
7.3.190.0060.00916.54
7.3.180.0060.00916.61
7.3.170.0130.00616.52
7.3.160.0060.01016.64
7.3.120.0080.00615.11
7.2.330.0100.00716.43
7.2.320.0090.00916.48
7.2.310.0090.01216.69
7.2.300.0060.01516.57
7.2.290.0130.00316.63
7.1.200.0000.01115.79
7.1.70.0000.00717.41
7.1.60.0070.01719.32
7.1.50.0060.01516.91
7.1.00.0070.07022.52
7.0.200.0070.00716.84
7.0.140.0000.07322.18
7.0.100.0170.02719.94
7.0.90.0030.04319.88
7.0.80.0030.04719.99
7.0.70.0170.06719.81
7.0.60.0030.04019.89
7.0.50.0070.08020.38
7.0.40.0070.07020.18
7.0.30.0030.07020.09
7.0.20.0030.05320.13
7.0.10.0000.06020.07
7.0.00.0100.09720.09
5.6.280.0030.07320.98
5.6.250.0030.08020.70
5.6.240.0030.07320.70
5.6.230.0030.07720.52
5.6.220.0030.04020.55
5.6.210.0130.07020.55
5.6.200.0000.05321.06
5.6.190.0030.07320.93
5.6.180.0030.07720.96
5.6.170.0000.09021.05
5.6.160.0030.08020.91
5.6.150.0030.04020.99
5.6.140.0100.06721.16
5.6.130.0070.06321.05
5.6.120.0000.08721.13
5.6.110.0070.03721.10
5.6.100.0070.08021.15
5.6.90.0070.03720.99
5.6.80.0100.07320.32
5.6.70.0070.03720.42
5.6.60.0070.06720.39
5.6.50.0000.07320.31
5.6.40.0100.06320.37
5.6.30.0070.06720.47
5.6.20.0070.07020.29
5.6.10.0000.08320.46
5.6.00.0130.03020.35
5.5.380.0000.04320.43
5.5.370.0030.04020.34
5.5.360.0030.06020.31
5.5.350.0000.04720.37
5.5.340.0000.05320.90
5.5.330.0100.03320.82
5.5.320.0030.08320.93
5.5.310.0070.07720.91
5.5.300.0030.08020.86
5.5.290.0030.07320.77
5.5.280.0000.07720.73
5.5.270.0030.08020.91
5.5.260.0100.03320.75
5.5.250.0000.04320.71
5.5.240.0100.05720.19
5.5.230.0000.04720.11
5.5.220.0000.07720.17
5.5.210.0070.04020.14
5.5.200.0070.08720.18
5.5.190.0100.06320.19
5.5.180.0200.05020.12
5.5.160.0130.08720.17
5.5.150.0000.04020.24
5.5.140.0030.07720.21
5.5.130.0070.05720.20
5.5.120.0070.07320.23
5.5.110.0000.07320.22
5.5.100.0070.07319.98
5.5.90.0030.07020.07
5.5.80.0030.06720.05
5.5.70.0000.04320.02
5.5.60.0000.05020.02
5.5.50.0030.03720.05
5.5.40.0030.07720.11
5.5.30.0000.07720.13
5.5.20.0100.07720.13
5.5.10.0070.06319.95
5.5.00.0030.08020.09
5.4.450.0070.06719.30
5.4.440.0100.07019.36
5.4.430.0030.08019.40
5.4.420.0100.06319.46
5.4.410.0030.04719.23
5.4.400.0200.06319.04
5.4.390.0130.06018.95
5.4.380.0000.04319.10
5.4.370.0070.08719.08
5.4.360.0070.03318.98
5.4.350.0000.05319.23
5.4.340.0170.06018.98
5.4.320.0070.06718.97
5.4.310.0000.07019.06
5.4.300.0030.03719.03
5.4.290.0200.03019.12
5.4.280.0030.03718.96
5.4.270.0070.03719.02
5.4.260.0070.09318.96
5.4.250.0070.07319.04
5.4.240.0000.08019.09
5.4.230.0030.06318.98
5.4.220.0000.07318.97
5.4.210.0100.07319.22
5.4.200.0000.04019.22
5.4.190.0000.04018.95
5.4.180.0030.03719.09
5.4.170.0100.03019.02
5.4.160.0100.05019.01
5.4.150.0100.04718.93
5.4.140.0070.03316.22
5.4.130.0070.05716.29
5.4.120.0070.05716.00
5.4.110.0130.05716.31
5.4.100.0130.06316.24
5.4.90.0070.05316.23
5.4.80.0070.06716.15
5.4.70.0100.06316.24
5.4.60.0000.04316.19
5.4.50.0070.07016.21
5.4.40.0070.07016.23
5.4.30.0070.03016.19
5.4.20.0100.05316.36
5.4.10.0070.06716.43
5.4.00.0100.06015.67
5.3.290.0030.05314.64
5.3.280.0030.08014.45
5.3.270.0030.03714.46
5.3.260.0000.04014.60
5.3.250.0070.06314.56
5.3.240.0030.04014.48
5.3.230.0000.06314.55
5.3.220.0030.07314.42
5.3.210.0030.03714.55
5.3.200.0030.03314.56
5.3.190.0070.03314.48
5.3.180.0000.04314.42
5.3.170.0030.04714.55
5.3.160.0000.06314.50
5.3.150.0100.05314.51
5.3.140.0100.07314.41
5.3.130.0030.06714.52
5.3.120.0130.06714.54
5.3.110.0030.03714.41
5.3.100.0100.03014.00
5.3.90.0030.07313.87
5.3.80.0000.06713.98
5.3.70.0030.06014.01
5.3.60.0100.03713.76
5.3.50.0100.03013.90
5.3.40.0030.07013.70
5.3.30.0070.03013.76
5.3.20.0030.04713.69
5.3.10.0030.03313.64
5.3.00.0030.05713.49
5.2.170.0100.04711.16
5.2.160.0100.05311.15
5.2.150.0070.07710.99
5.2.140.0000.03011.18
5.2.130.0070.05711.14
5.2.120.0030.06011.13
5.2.110.0030.06310.97
5.2.100.0030.03011.09
5.2.90.0030.02711.13
5.2.80.0070.03011.07
5.2.70.0070.03710.97
5.2.60.0000.03011.10
5.2.50.0030.03011.01
5.2.40.0070.02710.97
5.2.30.0000.03310.97
5.2.20.0030.02710.97
5.2.10.0000.03310.97
5.2.00.0000.03010.97
5.1.60.0000.02710.97
5.1.50.0000.02710.97
5.1.40.0070.01710.97
5.1.30.0000.02710.97
5.1.20.0030.02010.97
5.1.10.0000.02710.97
5.1.00.0030.02010.97
5.0.50.0030.02010.97
5.0.40.0000.01710.97
5.0.30.0000.02710.97
5.0.20.0000.02010.97
5.0.10.0000.02010.97
5.0.00.0000.03010.97
4.4.90.0030.01310.97
4.4.80.0030.01310.97
4.4.70.0030.01310.97
4.4.60.0000.01710.97
4.4.50.0030.01310.97
4.4.40.0000.02710.97
4.4.30.0000.01310.97
4.4.20.0030.01310.97
4.4.10.0000.01710.97
4.4.00.0000.02710.97
4.3.110.0000.01310.97
4.3.100.0000.01710.97
4.3.90.0000.01710.97
4.3.80.0000.03310.97
4.3.70.0000.01310.97
4.3.60.0030.01010.97
4.3.50.0000.01310.97
4.3.40.0030.01710.97
4.3.30.0030.01310.97
4.3.20.0070.01010.97
4.3.10.0000.01710.97
4.3.00.0000.01310.97

preferences:
41.15 ms | 400 KiB | 5 Q