3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = ' Hello World'; //x4 spaces echo preg_replace("^ {2}\/m/","\t",$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)
8.3.60.0120.00616.50
8.3.50.0120.00918.24
8.3.40.0140.00018.76
8.3.30.0070.00718.68
8.3.20.0080.00018.79
8.3.10.0040.00420.66
8.3.00.0000.00819.38
8.2.180.0030.01316.38
8.2.170.0110.00322.96
8.2.160.0100.01018.79
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00318.77
8.2.110.0060.00321.04
8.2.100.0070.00717.59
8.2.90.0060.00319.34
8.2.80.0000.00819.28
8.2.70.0030.00617.25
8.2.60.0060.00317.78
8.2.50.0050.00518.07
8.2.40.0040.00418.28
8.2.30.0000.00817.98
8.2.20.0030.00717.59
8.2.10.0040.00417.49
8.2.00.0000.00817.54
8.1.280.0140.00725.92
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0040.00722.38
8.1.230.0060.00620.93
8.1.220.0080.00017.79
8.1.210.0030.00618.77
8.1.200.0060.00317.11
8.1.190.0030.00617.39
8.1.180.0030.00618.10
8.1.170.0040.00418.82
8.1.160.0040.00418.87
8.1.150.0000.00818.48
8.1.140.0040.00417.37
8.1.130.0050.00217.86
8.1.120.0000.00717.29
8.1.110.0030.00417.40
8.1.100.0000.00717.43
8.1.90.0040.00417.45
8.1.80.0000.00717.45
8.1.70.0030.00317.41
8.1.60.0030.00617.52
8.1.50.0080.00017.29
8.1.40.0050.00317.41
8.1.30.0000.00817.57
8.1.20.0050.00317.54
8.1.10.0000.00717.52
8.1.00.0070.00017.46
8.0.300.0070.00019.84
8.0.290.0070.00016.88
8.0.280.0000.00718.50
8.0.270.0040.00417.30
8.0.260.0000.00816.93
8.0.250.0000.00717.03
8.0.240.0000.00816.96
8.0.230.0050.00316.93
8.0.220.0040.00416.90
8.0.210.0000.00716.75
8.0.200.0000.00616.98
8.0.190.0030.00316.83
8.0.180.0000.00716.80
8.0.170.0040.00416.86
8.0.160.0030.00316.91
8.0.150.0040.00416.86
8.0.140.0000.00816.87
8.0.130.0050.00013.27
8.0.120.0000.00716.73
8.0.110.0070.00016.95
8.0.100.0040.00416.91
8.0.90.0000.00716.84
8.0.80.0090.01216.77
8.0.70.0040.00416.91
8.0.60.0040.00416.70
8.0.50.0040.00416.93
8.0.30.0090.01216.95
8.0.20.0130.00617.20
8.0.10.0050.00317.00
8.0.00.0070.01016.81
7.4.330.0020.00212.86
7.4.320.0040.00416.50
7.4.300.0000.00616.45
7.4.290.0040.00416.43
7.4.280.0070.00016.29
7.4.270.0000.00716.60
7.4.260.0060.00013.27
7.4.250.0040.00416.56
7.4.240.0000.00816.40
7.4.230.0030.00316.43
7.4.220.0130.00616.54
7.4.210.0000.01416.42
7.4.200.0070.00016.64
7.4.190.0040.00416.48
7.4.160.0060.01016.54
7.4.150.0060.01216.50
7.4.140.0130.00316.34
7.4.130.0120.00916.47
7.4.120.0070.01016.38
7.4.110.0030.01316.45
7.4.100.0110.00616.53
7.4.90.0150.00316.41
7.4.80.0090.00919.39
7.4.70.0140.00316.59
7.4.60.0090.00916.45
7.4.50.0030.00316.45
7.4.40.0030.01316.33
7.4.30.0040.01216.51
7.4.00.0100.00315.14
7.3.330.0030.00313.07
7.3.320.0030.00313.07
7.3.310.0040.00416.02
7.3.300.0060.00016.23
7.3.290.0070.00716.22
7.3.280.0090.00916.21
7.3.270.0060.01216.14
7.3.260.0100.00716.54
7.3.250.0150.00416.20
7.3.240.0140.00616.48
7.3.230.0090.00916.32
7.3.210.0090.00616.51
7.3.200.0060.01016.45
7.3.190.0070.01316.35
7.3.180.0060.00916.34
7.3.170.0060.01016.33
7.3.160.0060.00916.31
7.3.120.0100.00614.74
7.3.10.0040.01116.71
7.3.00.0080.00416.73
7.2.330.0070.01116.17
7.2.320.0080.01116.49
7.2.310.0140.00416.63
7.2.300.0030.01316.39
7.2.290.0080.00916.54
7.2.130.0060.00616.70
7.2.120.0030.01016.79
7.2.110.0000.00916.82
7.2.100.0000.01016.86
7.2.90.0070.00716.75
7.2.80.0110.00416.86
7.2.70.0040.01116.89
7.2.60.0100.00516.56
7.2.50.0120.00316.80
7.2.40.0060.00916.92
7.2.30.0060.00916.54
7.2.20.0000.01317.01
7.2.10.0040.00716.93
7.2.00.0050.01017.80
7.1.250.0040.00815.71
7.1.200.0210.00015.48
7.1.100.0060.00618.07
7.1.70.0030.01016.79
7.1.60.0120.01219.31
7.1.50.0060.01316.84
7.1.00.0070.06322.33
7.0.200.0100.00016.85
7.0.140.0130.06322.19
7.0.120.0070.07022.05
7.0.60.0070.06020.06
7.0.50.0030.05717.85
7.0.40.0030.04720.04
7.0.30.2200.04720.16
7.0.20.0200.04320.12
7.0.10.0100.07320.21
7.0.00.0070.08320.14
5.6.280.0000.07320.91
5.6.210.0200.07320.60
5.6.200.0130.08018.21
5.6.190.0030.06720.45
5.6.180.0270.05320.39
5.6.170.0370.07020.40
5.6.160.0100.08720.50
5.6.150.0100.03718.12
5.6.140.0070.04018.04
5.6.130.0100.08018.14
5.6.120.0100.08320.99
5.6.110.0000.08021.10
5.6.100.0070.07321.10
5.6.90.0100.08020.97
5.6.80.0070.08020.28
5.5.350.3270.03020.38
5.5.340.0000.05717.98
5.5.330.0070.08320.43
5.5.320.0270.03720.41
5.5.310.0330.06320.22
5.5.300.0030.04018.02
5.5.290.0030.04717.91
5.5.280.0100.06020.76
5.5.270.0100.06720.75
5.5.260.0170.05320.88
5.5.250.0030.08720.76
5.5.240.0270.07320.25
5.4.450.2670.04719.41
5.4.440.2970.03319.45
5.4.430.3170.04019.25
5.4.420.2870.03719.40
5.4.410.2870.03719.24
5.4.400.2700.03719.21
5.4.390.2930.03019.10
5.4.380.2870.05019.09
5.4.370.2630.03719.16
5.4.360.2930.03718.91
5.4.350.2930.04018.92
5.4.340.2770.03719.10
5.4.320.3300.04319.08
5.4.310.3230.04718.80
5.4.300.3030.04019.24
5.4.290.3170.03719.13
5.4.280.2470.04019.16
5.4.270.2570.04719.15
5.4.260.3170.03319.24
5.4.250.2370.04019.23
5.4.240.2900.04019.15
5.4.230.3170.04018.79
5.4.220.2700.04019.23
5.4.210.2730.03018.77
5.4.200.2430.03718.93
5.4.190.3230.04319.07
5.4.180.3200.03719.09
5.4.170.2830.03319.09
5.4.160.2700.03719.10
5.4.150.3230.02719.22
5.4.140.2430.03716.33
5.4.130.3000.03016.25
5.4.120.3100.04016.27
5.4.110.2630.04016.41
5.4.100.2900.04016.41
5.4.90.2530.03716.39
5.4.80.3100.02716.29
5.4.70.3130.03316.38
5.4.60.2500.03016.41
5.4.50.3200.03016.38
5.4.40.2900.03716.36
5.4.30.2930.03316.18
5.4.20.3030.04016.36
5.4.10.2870.03716.36
5.4.00.2830.03315.68
5.3.290.3170.04014.54
5.3.280.2970.03314.54
5.3.270.2770.03314.43
5.3.260.2500.04014.45
5.3.250.2770.03014.40
5.3.240.2930.04014.61
5.3.230.3100.03714.64
5.3.220.3070.03014.61
5.3.210.2430.04714.42
5.3.200.3270.03714.51
5.3.190.3170.03714.66
5.3.180.2670.03714.41
5.3.170.2700.03714.57
5.3.160.3170.04014.40
5.3.150.3170.03314.49
5.3.140.2870.04314.41
5.3.130.2700.03714.40
5.3.120.2700.03714.50
5.3.110.3170.03714.48
5.3.100.3170.04014.08
5.3.90.2630.04013.86
5.3.80.3030.03714.01
5.3.70.3070.03713.89
5.3.60.2770.04314.05
5.3.50.2930.03713.90
5.3.40.2670.03713.76
5.3.30.3630.03313.77
5.3.20.3070.04013.46
5.3.10.2900.03713.53
5.3.00.3130.03013.44
5.2.170.2730.03012.11
5.2.160.2430.02712.11
5.2.150.2370.03712.11
5.2.140.2770.02312.11
5.2.130.2630.03012.11
5.2.120.2500.03012.11
5.2.110.2370.03012.11
5.2.100.2370.03012.11
5.2.90.2400.03012.11
5.2.80.2400.03312.11
5.2.70.2470.02712.11
5.2.60.2430.03012.11
5.2.50.2370.03312.11
5.2.40.2170.03312.11
5.2.30.2070.02712.11
5.2.20.1970.03012.11
5.2.10.2130.02312.11
5.2.00.2100.02712.11
5.1.60.1530.02712.11
5.1.50.1770.02712.11
5.1.40.1970.02712.11
5.1.30.2200.02712.11
5.1.20.2170.03012.11
5.1.10.2300.02712.11
5.1.00.2000.02312.11
5.0.50.1170.02312.11
5.0.40.0630.03312.11
5.0.30.1170.04012.11
5.0.20.0970.03012.11
5.0.10.1370.01312.11
5.0.00.0970.03012.11
4.4.90.1200.02012.11
4.4.80.0730.01712.11
4.4.70.0470.01712.11
4.4.60.1230.02012.11
4.4.50.1130.02012.11
4.4.40.1230.03012.11
4.4.30.1070.02312.11
4.4.20.1130.02312.11
4.4.10.1170.02012.11
4.4.00.1200.02712.11
4.3.110.1000.01312.11
4.3.100.1130.01712.11
4.3.90.1270.01712.11
4.3.80.0970.02312.11
4.3.70.0930.02012.11
4.3.60.1230.01712.11
4.3.50.1100.01312.11
4.3.40.1130.02312.11
4.3.30.0570.01712.11
4.3.20.0730.01712.11
4.3.10.0730.02012.11
4.3.00.0730.02312.11

preferences:
43.58 ms | 401 KiB | 5 Q