3v4l.org

run code in 300+ PHP versions simultaneously
<?php $href = "/test/link"; echo substr($href, -1, 0);

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)
8.3.40.0090.00618.67
8.3.30.0140.00020.21
8.3.20.0170.00320.29
8.3.10.0160.00322.05
8.3.00.0150.00422.34
8.2.170.0060.01322.96
8.2.160.0160.00322.16
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0140.00426.16
8.2.120.0050.00319.76
8.2.110.0060.00322.17
8.2.100.0030.00919.30
8.2.90.0000.00819.22
8.2.80.0050.00319.21
8.2.70.0040.00417.63
8.2.60.0030.00617.91
8.2.50.0000.00818.07
8.2.40.0030.00520.01
8.2.30.0070.00017.97
8.2.20.0040.00417.67
8.2.10.0040.00417.62
8.2.00.0040.00417.62
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0080.01128.09
8.1.240.0030.00618.95
8.1.230.0090.00319.04
8.1.220.0000.00817.74
8.1.210.0070.00318.77
8.1.200.0040.00417.35
8.1.190.0080.00017.41
8.1.180.0040.00419.29
8.1.170.0000.00918.41
8.1.160.0040.00422.14
8.1.150.0040.00418.56
8.1.140.0040.00417.26
8.1.130.0030.00317.75
8.1.120.0040.00417.24
8.1.110.0040.00417.37
8.1.100.0070.00017.34
8.1.90.0000.00717.26
8.1.80.0030.00317.38
8.1.70.0030.00317.29
8.1.60.0060.00317.50
8.1.50.0030.00617.45
8.1.40.0040.00417.46
8.1.30.0040.00417.45
8.1.20.0000.00817.43
8.1.10.0040.00417.53
8.1.00.0000.00917.44
8.0.300.0000.00718.77
8.0.290.0000.00717.04
8.0.280.0040.00418.35
8.0.270.0040.00417.21
8.0.260.0070.00016.81
8.0.250.0000.00816.85
8.0.240.0070.00016.75
8.0.230.0000.00716.89
8.0.220.0000.00716.79
8.0.210.0000.00716.78
8.0.200.0000.00716.78
8.0.190.0000.00816.80
8.0.180.0000.00716.81
8.0.170.0000.00816.85
8.0.160.0000.00816.70
8.0.150.0030.00316.70
8.0.140.0040.00416.85
8.0.130.0050.00013.27
8.0.120.0000.00916.72
8.0.110.0030.00416.64
8.0.100.0070.00016.86
8.0.90.0000.00816.83
8.0.80.0090.00616.87
8.0.70.0070.00016.71
8.0.60.0000.00816.86
8.0.50.0000.00716.61
8.0.30.0090.00917.02
8.0.20.0090.00917.40
8.0.10.0040.00416.91
8.0.00.0140.00716.74
7.4.330.0060.00015.09
7.4.320.0030.00316.52
7.4.300.0030.00316.42
7.4.290.0030.00316.54
7.4.280.0060.00016.50
7.4.270.0070.00016.54
7.4.260.0050.00316.52
7.4.250.0040.00416.37
7.4.240.0000.00716.49
7.4.230.0030.00316.51
7.4.220.0160.01016.59
7.4.210.0060.00716.54
7.4.200.0080.00016.24
7.4.190.0040.00416.53
7.4.160.0060.00916.31
7.4.150.0090.00917.40
7.4.140.0120.01017.86
7.4.130.0120.00516.41
7.4.120.0120.00516.45
7.4.110.0060.01016.71
7.4.100.0160.00316.31
7.4.90.0070.01116.58
7.4.80.0060.01219.39
7.4.70.0100.00616.51
7.4.60.0070.01016.36
7.4.50.0020.00216.34
7.4.40.0090.00622.77
7.4.30.0160.00616.46
7.4.00.0060.00914.93
7.3.330.0000.00612.98
7.3.320.0050.00012.95
7.3.310.0000.00616.18
7.3.300.0030.00316.18
7.3.290.0110.00716.13
7.3.280.0070.01116.13
7.3.270.0070.01017.40
7.3.260.0130.00316.13
7.3.250.0080.00916.28
7.3.240.0080.00816.47
7.3.230.0100.00716.44
7.3.210.0030.01316.21
7.3.200.0060.01019.39
7.3.190.0160.00516.18
7.3.180.0070.00716.10
7.3.170.0100.00716.27
7.3.160.0060.01216.07
7.3.120.0110.00414.33
7.3.10.0060.00816.59
7.3.00.0080.00316.53
7.2.330.0120.00616.43
7.2.320.0130.00616.43
7.2.310.0100.00716.25
7.2.300.0060.01016.55
7.2.290.0060.00916.46
7.2.130.0020.01416.70
7.2.120.0050.00816.49
7.2.110.0080.00616.54
7.2.100.0050.00916.83
7.2.90.0050.01016.75
7.2.80.0040.00716.68
7.2.70.0040.00916.73
7.2.60.0050.01016.52
7.2.50.0040.00816.48
7.2.40.0090.00316.92
7.2.30.0050.00916.72
7.2.20.0060.00516.82
7.2.10.0010.01116.70
7.2.00.0030.00917.61
7.1.250.0060.00415.74
7.1.100.0130.00618.28
7.1.70.0030.00917.06
7.1.60.0100.01319.43
7.1.50.0070.01716.97
7.1.00.0030.05322.40
7.0.200.0030.00716.46
7.0.140.0000.07722.21
7.0.60.0070.08319.82
7.0.50.0070.08717.86
7.0.40.0070.09020.24
7.0.30.0370.07320.02
7.0.20.0270.05320.04
7.0.10.0130.08320.33
7.0.00.0070.04020.32
5.6.280.0030.07321.03
5.6.210.0100.05320.60
5.6.200.0100.07018.16
5.6.190.0100.06320.35
5.6.180.0000.05320.57
5.6.170.0270.04320.53
5.6.160.0100.06020.50
5.6.150.0130.07318.16
5.6.140.0100.03718.11
5.6.130.0070.04018.11
5.6.120.0100.07721.13
5.6.110.0170.07020.98
5.6.100.0400.06020.97
5.6.90.0030.08720.99
5.6.80.0130.06720.37
5.5.350.0000.08320.34
5.5.340.0030.07717.91
5.5.330.0070.08020.28
5.5.320.0370.07020.30
5.5.310.0300.04320.17
5.5.300.0070.06718.02
5.5.290.0100.07717.90
5.5.280.0030.07020.78
5.5.270.0000.06020.96
5.5.260.0100.08720.76
5.5.250.0070.03720.54
5.5.240.0200.04020.34
5.4.450.0770.03719.41
5.4.440.0600.08319.46
5.4.430.0930.03719.54
5.4.420.0130.05019.46
5.4.410.0070.05719.18
5.4.400.0030.06019.16
5.4.390.0070.05718.98
5.4.380.0030.06319.18
5.4.370.0030.06019.05
5.4.360.0200.07019.09
5.4.350.0060.03511.97
5.4.340.0070.03611.97
5.4.320.0070.05312.46
5.4.310.0070.04212.45
5.4.300.0100.03212.45
5.4.290.0050.03912.45
5.4.280.0060.03712.34
5.4.270.0080.03412.34
5.4.260.0100.05112.34
5.4.250.0070.05018.70
5.4.240.0030.05318.89
5.4.230.0070.05018.99
5.4.220.0070.05318.74
5.4.210.0100.04718.94
5.4.200.0170.04718.70
5.4.190.0100.05018.73
5.4.180.0030.05318.93
5.4.170.0000.05719.02
5.4.160.0030.05718.80
5.4.150.0200.05019.02
5.4.140.0030.05316.24
5.4.130.0100.04316.25
5.4.120.0100.05016.29
5.4.110.0030.05316.53
5.4.100.0070.05316.43
5.4.90.0070.05016.45
5.4.80.0100.04716.34
5.4.70.0100.06316.49
5.4.60.0170.04016.32
5.4.50.0100.04316.18
5.4.40.0100.04716.49
5.4.30.0030.06716.32
5.4.20.0100.05016.26
5.4.10.0030.06016.39
5.4.00.0000.05315.74
5.3.290.0070.03812.80
5.3.280.0000.05714.43
5.3.270.0170.06714.61
5.3.260.0070.05314.44
5.3.250.0030.05714.59
5.3.240.0070.05014.30
5.3.230.0070.05014.59
5.3.220.0030.05314.66
5.3.210.0030.06014.57
5.3.200.0130.05014.34
5.3.190.0100.04714.41
5.3.180.0100.04314.33
5.3.170.0000.06014.33
5.3.160.0100.05014.43
5.3.150.0070.05314.42
5.3.140.0030.05314.56
5.3.130.0100.05014.45
5.3.120.0170.06314.54
5.3.110.0100.05014.59
5.3.100.0030.07014.04
5.3.90.0070.07013.86
5.3.80.0070.05014.03
5.3.70.0000.05314.02
5.3.60.0100.04314.09
5.3.50.0030.06013.96
5.3.40.0070.07013.80
5.3.30.0070.04714.05
5.3.20.0130.04013.70
5.3.10.0030.05313.51
5.3.00.0070.05013.57
5.2.170.0030.05011.14
5.2.160.0070.04011.15
5.2.150.0070.04011.05
5.2.140.0030.04311.25
5.2.130.0070.04310.86
5.2.120.0100.03710.93
5.2.110.0070.03710.98
5.2.100.0070.03710.93
5.2.90.0000.05711.00
5.2.80.0100.04011.00
5.2.70.0030.04311.09
5.2.60.0070.05011.06
5.2.50.0030.04011.02
5.2.40.0070.04011.00
5.2.30.0070.03710.98
5.2.20.0030.04010.87
5.2.10.0030.04010.79
5.2.00.0170.02710.61
5.1.60.0070.0309.76
5.1.50.0000.04010.05
5.1.40.0070.03310.01
5.1.30.0130.04010.21
5.1.20.0030.04010.29
5.1.10.0130.03710.12
5.1.00.0070.03010.11
5.0.50.0000.0308.42
5.0.40.0000.0378.49
5.0.30.0030.0408.27
5.0.20.0070.0238.15
5.0.10.0030.0278.11
5.0.00.0070.0378.23
4.4.90.0030.0207.26
4.4.80.0000.0237.26
4.4.70.0000.0237.26
4.4.60.0030.0237.26
4.4.50.0100.0137.26
4.4.40.0030.0337.26
4.4.30.0030.0307.26
4.4.20.0070.0237.26
4.4.10.0030.0307.26
4.4.00.0100.0337.26
4.3.110.0070.0207.26
4.3.100.0070.0207.26
4.3.90.0070.0177.26
4.3.80.0000.0377.26
4.3.70.0070.0137.26
4.3.60.0000.0237.26
4.3.50.0000.0237.26
4.3.40.0030.0377.26
4.3.30.0030.0207.26
4.3.20.0070.0177.26
4.3.10.0000.0237.26
4.3.00.0000.01714.48

preferences:
43.5 ms | 400 KiB | 5 Q