3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a="\r\n[GENERAL]"; print substr($a, 2);

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)
8.3.40.0100.00718.71
8.3.30.0180.00318.55
8.3.20.0030.00518.52
8.3.10.0030.00620.36
8.3.00.0080.00019.25
8.2.170.0180.00022.96
8.2.160.0070.00720.52
8.2.150.0000.00724.18
8.2.140.0100.01024.66
8.2.130.0040.00426.16
8.2.120.0040.00418.76
8.2.110.0070.00321.04
8.2.100.0070.00317.72
8.2.90.0030.00719.30
8.2.80.0040.00419.39
8.2.70.0080.00017.50
8.2.60.0100.00017.68
8.2.50.0050.00318.07
8.2.40.0070.00018.22
8.2.30.0070.00317.95
8.2.20.0060.00319.45
8.2.10.0030.00517.61
8.2.00.0070.00417.54
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0060.00322.28
8.1.230.0080.00320.85
8.1.220.0040.00417.74
8.1.210.0060.00318.89
8.1.200.0060.00317.13
8.1.190.0040.00417.39
8.1.180.0030.00618.10
8.1.170.0000.00920.49
8.1.160.0080.00018.81
8.1.150.0050.00318.56
8.1.140.0040.00417.36
8.1.130.0000.00817.69
8.1.120.0020.00517.32
8.1.110.0040.00417.43
8.1.100.0000.00717.26
8.1.90.0000.00817.29
8.1.80.0030.00317.41
8.1.70.0070.00017.27
8.1.60.0040.00417.51
8.1.50.0040.00417.27
8.1.40.0000.00817.37
8.1.30.0040.00417.57
8.1.20.0000.00717.64
8.1.10.0000.00817.38
8.1.00.0030.00917.26
8.0.300.0000.00719.98
8.0.290.0040.00416.75
8.0.280.0030.00318.44
8.0.270.0040.00417.20
8.0.260.0070.00016.85
8.0.250.0000.00716.97
8.0.240.0030.00316.88
8.0.230.0000.00916.77
8.0.220.0030.00316.79
8.0.210.0050.00316.71
8.0.200.0040.00416.82
8.0.190.0040.00416.76
8.0.180.0070.00016.87
8.0.170.0030.00616.86
8.0.160.0040.00416.90
8.0.150.0070.00016.62
8.0.140.0060.00316.78
8.0.130.0030.00513.31
8.0.120.0040.00416.68
8.0.110.0070.00016.86
8.0.100.0030.00316.79
8.0.90.0000.00916.70
8.0.80.0100.00716.77
8.0.70.0070.00016.88
8.0.60.0030.00516.72
8.0.50.0040.00416.61
8.0.30.0090.00916.90
8.0.20.0160.00717.10
8.0.10.0040.00416.75
8.0.00.0100.01016.82
7.4.330.0050.00012.93
7.4.320.0030.00316.38
7.4.300.0030.00316.41
7.4.290.0000.00716.38
7.4.280.0000.00816.52
7.4.270.0030.00516.52
7.4.260.0050.00013.21
7.4.250.0050.00316.51
7.4.240.0060.00016.38
7.4.230.0000.00716.53
7.4.220.0160.00516.37
7.4.210.0080.00616.51
7.4.200.0030.00316.18
7.4.190.0070.00016.29
7.4.160.0080.00816.32
7.4.150.0100.00716.40
7.4.140.0070.01116.41
7.4.130.0090.00716.52
7.4.120.0110.00516.43
7.4.110.0040.01616.53
7.4.100.0070.01016.43
7.4.90.0030.01416.43
7.4.80.0200.00416.53
7.4.70.0070.01116.36
7.4.60.0120.00416.37
7.4.50.0030.00316.23
7.4.40.0040.01116.22
7.4.30.0100.00716.40
7.4.00.0030.01414.64
7.3.330.0000.00612.88
7.3.320.0060.00012.92
7.3.310.0000.00716.32
7.3.300.0060.00016.16
7.3.290.0120.00916.12
7.3.280.0080.01016.10
7.3.270.0190.00016.11
7.3.260.0030.01316.30
7.3.250.0070.01116.38
7.3.240.0040.01116.41
7.3.230.0070.01416.12
7.3.210.0130.00316.45
7.3.200.0130.00619.39
7.3.190.0100.00716.39
7.3.180.0000.01516.02
7.3.170.0080.00816.32
7.3.160.0070.01016.14
7.3.120.0030.01314.94
7.2.330.0040.01516.48
7.2.320.0120.00616.52
7.2.310.0090.01216.60
7.2.300.0040.02216.15
7.2.290.0090.00916.55
7.2.00.0040.00819.22
7.1.100.0030.00918.07
7.1.70.0040.00416.96
7.1.60.0070.01719.31
7.1.50.0070.01416.73
7.1.00.0000.07322.57
7.0.200.0140.00416.13
7.0.140.0000.07722.01
7.0.120.0000.04722.02
7.0.60.0000.05720.08
7.0.50.0100.08317.88
7.0.40.0170.03020.08
7.0.30.0100.03720.11
7.0.20.0030.04720.04
7.0.10.0030.04320.23
7.0.00.0030.04320.08
5.6.280.0000.07721.14
5.6.210.0070.04020.72
5.6.200.0030.07718.18
5.6.190.0070.04020.77
5.6.180.0070.04020.35
5.6.170.0030.04720.33
5.6.160.0070.03720.33
5.6.150.0030.04020.40
5.6.140.0070.03720.41
5.6.130.0070.04020.10
5.6.120.0030.08320.18
5.6.110.0130.04020.09
5.6.100.0000.04720.39
5.6.90.0030.05720.44
5.6.80.0100.08019.49
5.6.70.0000.04319.64
5.6.60.0070.08719.74
5.6.50.0070.05019.84
5.6.40.0100.07719.73
5.6.30.0100.03719.70
5.6.20.0070.08019.68
5.6.10.0030.07319.53
5.6.00.0030.06019.80
5.5.350.0270.06320.36
5.5.340.0130.07718.02
5.5.330.0030.04320.21
5.5.320.0130.03020.36
5.5.310.0000.04320.19
5.5.300.0030.04019.92
5.5.290.0130.04019.91
5.5.280.0130.03720.11
5.5.270.0000.04719.90
5.5.260.0170.05320.16
5.5.250.0030.08319.74
5.5.240.0100.08019.56
5.5.230.0000.04319.51
5.5.220.0070.08019.28
5.5.210.0230.03719.55
5.5.200.0100.06019.25
5.5.190.0100.03719.32
5.5.180.0100.03719.55
5.5.160.0030.08719.25
5.5.150.0100.07319.46
5.5.140.0100.07719.49
5.5.130.0070.08019.58
5.5.120.0030.05019.62
5.5.110.0130.06319.60
5.5.100.0100.06019.15
5.5.90.0100.04319.22
5.5.80.0070.07019.45
5.5.70.0030.08319.45
5.5.60.0030.05319.18
5.5.50.0070.07719.47
5.5.40.0100.08019.47
5.5.30.0070.04719.26
5.5.20.0100.08019.55
5.5.10.0070.06019.47
5.5.00.0130.05019.19
5.4.450.0070.03719.33
5.4.440.0100.05719.40
5.4.430.0100.03319.11
5.4.420.0030.04019.23
5.4.410.0100.04019.27
5.4.400.0000.06319.14
5.4.390.0070.03719.09
5.4.380.0000.04319.08
5.4.370.0130.06319.09
5.4.360.0070.07319.08
5.4.350.0030.05018.92
5.4.340.0070.04018.79
5.4.320.0070.03719.14
5.4.310.0030.05019.08
5.4.300.0070.07718.82
5.4.290.0100.07019.07
5.4.280.0000.07018.78
5.4.270.0100.07019.19
5.4.260.0070.06319.14
5.4.250.0100.07019.17
5.4.240.0070.06318.81
5.4.230.0130.05019.14
5.4.220.0170.07018.91
5.4.210.0030.04319.07
5.4.200.0130.07319.05
5.4.190.0030.06019.13
5.4.180.0070.06718.80
5.4.170.0070.04319.07
5.4.160.0000.07019.15
5.4.150.0200.06719.16
5.4.140.0100.07316.29
5.4.130.0070.03316.21
5.4.120.0130.06716.34
5.4.110.0030.07016.41
5.4.100.0000.08016.41
5.4.90.0070.05316.34
5.4.80.0070.03716.39
5.4.70.0070.07316.25
5.4.60.0030.03716.25
5.4.50.0070.08016.27
5.4.40.0030.06016.30
5.4.30.0070.04316.31
5.4.20.0130.05016.21
5.4.10.0070.06316.36
5.4.00.0070.07315.93
5.3.290.0030.04014.63
5.3.280.0130.05314.41
5.3.270.0070.04014.53
5.3.260.0070.03714.54
5.3.250.0070.06714.54
5.3.240.0070.04014.69
5.3.230.0030.07714.53
5.3.220.0070.07714.49
5.3.210.0070.07714.46
5.3.200.0100.05314.48
5.3.190.0070.07014.50
5.3.180.0070.04314.38
5.3.170.0000.04314.44
5.3.160.0030.04014.50
5.3.150.0130.05714.48
5.3.140.0100.07014.45
5.3.130.0000.05314.56
5.3.120.0030.08314.49
5.3.110.0000.06314.44
5.3.100.0100.04314.01
5.3.90.0130.06014.11
5.3.80.0000.04713.83
5.3.70.0070.04013.95
5.3.60.0070.06713.95
5.3.50.0070.08013.89
5.3.40.0000.05013.86
5.3.30.0000.06313.92
5.3.20.0130.06713.61
5.3.10.0130.06313.47
5.3.00.0030.07713.61
5.2.170.0030.05311.04
5.2.160.0000.03710.99
5.2.150.0100.02311.30
5.2.140.0030.06311.10
5.2.130.0030.03311.06
5.2.120.0070.05011.09
5.2.110.0070.06010.95
5.2.100.0030.05311.04
5.2.90.0130.04011.02
5.2.80.0030.06710.99
5.2.70.0000.04710.98
5.2.60.0030.05711.03
5.2.50.0030.05310.91
5.2.40.0000.03710.95
5.2.30.0000.03011.12
5.2.20.0030.02710.94
5.2.10.0030.02710.88
5.2.00.0030.05010.71
5.1.60.0030.02310.06
5.1.50.0130.0479.98
5.1.40.0070.04010.03
5.1.30.0100.05010.36
5.1.20.0070.04010.21
5.1.10.0070.05310.11
5.1.00.0070.04710.12
5.0.50.0030.0438.60
5.0.40.0030.0478.43
5.0.30.0100.0438.23
5.0.20.0030.0278.14
5.0.10.0070.0178.09
5.0.00.0070.0278.20
4.4.90.0030.0177.89
4.4.80.0030.0337.89
4.4.70.0000.0377.89
4.4.60.0030.0137.89
4.4.50.0000.0177.89
4.4.40.0030.0477.89
4.4.30.0030.0137.89
4.4.20.0070.0337.89
4.4.10.0030.0207.89
4.4.00.0030.0407.89
4.3.110.0000.0377.89
4.3.100.0000.0277.89
4.3.90.0000.0207.89
4.3.80.0000.0507.89
4.3.70.0000.0337.89
4.3.60.0000.0277.89
4.3.50.0000.0207.89
4.3.40.0070.0177.89
4.3.30.0000.0177.89
4.3.20.0030.0137.89
4.3.10.0000.0277.89
4.3.00.0030.0337.89

preferences:
36.81 ms | 400 KiB | 5 Q