3v4l.org

run code in 300+ PHP versions simultaneously
<?php $file = 'azertyuiop.jpg'; echo $yearToLetter = substr($file, 3, 1); echo '--'; echo $realFile = substr($file, 4, 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)
8.3.60.0030.01718.43
8.3.50.0240.00321.99
8.3.40.0070.00718.45
8.3.30.0060.00920.25
8.3.20.0040.00420.13
8.3.10.0040.00422.17
8.3.00.0040.00422.57
8.2.180.0070.01416.63
8.2.170.0110.00322.96
8.2.160.0130.00320.52
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00926.16
8.2.120.0040.00419.66
8.2.110.0030.00622.07
8.2.100.0040.00719.21
8.2.90.0060.00319.11
8.2.80.0000.00819.18
8.2.70.0030.00617.50
8.2.60.0000.00717.93
8.2.50.0070.00018.07
8.2.40.0030.00618.22
8.2.30.0040.00418.12
8.2.20.0040.00417.58
8.2.10.0040.00417.71
8.2.00.0000.00817.67
8.1.280.0110.00325.92
8.1.270.0060.00320.22
8.1.260.0040.00426.35
8.1.250.0070.01128.09
8.1.240.0000.00924.01
8.1.230.0080.00419.00
8.1.220.0090.00017.79
8.1.210.0040.00418.77
8.1.200.0000.00817.36
8.1.190.0000.00817.43
8.1.180.0000.00720.24
8.1.170.0000.00818.53
8.1.160.0070.00022.05
8.1.150.0040.00418.62
8.1.140.0040.00417.39
8.1.130.0000.00717.72
8.1.120.0000.00717.42
8.1.110.0000.00717.43
8.1.100.0040.00317.39
8.1.90.0000.00817.45
8.1.80.0040.00417.29
8.1.70.0030.00517.34
8.1.60.0000.00917.50
8.1.50.0060.00317.44
8.1.40.0000.00717.47
8.1.30.0040.00417.59
8.1.20.0040.00417.63
8.1.10.0000.00817.52
8.1.00.0060.00317.45
8.0.300.0000.00818.77
8.0.290.0060.00217.18
8.0.280.0030.00318.36
8.0.270.0030.00317.36
8.0.260.0000.00616.69
8.0.250.0000.00716.95
8.0.240.0040.00416.89
8.0.230.0030.00316.88
8.0.220.0030.00316.83
8.0.210.0030.00316.73
8.0.200.0070.00016.76
8.0.190.0030.00516.91
8.0.180.0050.00216.85
8.0.170.0000.00816.74
8.0.160.0070.00016.74
8.0.150.0030.00316.81
8.0.140.0100.00016.66
8.0.130.0000.00613.35
8.0.120.0080.00016.73
8.0.110.0040.00416.83
8.0.100.0000.00716.89
8.0.90.0050.00316.82
8.0.80.0160.00316.89
8.0.70.0000.00716.66
8.0.60.0000.00716.86
8.0.50.0000.00716.80
8.0.30.0070.01217.20
8.0.20.0080.01117.40
8.0.10.0000.00716.90
8.0.00.0100.00916.72
7.4.330.0020.00215.00
7.4.320.0000.00616.49
7.4.300.0000.00616.51
7.4.290.0040.00416.46
7.4.280.0050.00216.53
7.4.270.0040.00416.35
7.4.260.0030.00716.49
7.4.250.0030.00316.41
7.4.240.0020.00516.54
7.4.230.0000.00816.28
7.4.220.0150.00316.45
7.4.210.0060.01116.44
7.4.200.0040.00416.44
7.4.190.0000.00716.34
7.4.160.0080.00816.37
7.4.150.0070.01117.40
7.4.140.0060.01217.86
7.4.130.0100.00816.49
7.4.120.0100.00616.48
7.4.110.0090.00916.23
7.4.100.0030.01316.43
7.4.90.0160.00316.43
7.4.80.0150.00719.39
7.4.70.0000.01716.55
7.4.60.0100.00616.43
7.4.50.0000.00516.54
7.4.40.0100.00722.77
7.4.30.0100.01016.44
7.4.00.0040.00815.09
7.3.330.0030.00313.05
7.3.320.0000.00612.86
7.3.310.0030.00316.04
7.3.300.0070.00016.18
7.3.290.0040.01516.13
7.3.280.0060.01116.14
7.3.270.0070.01017.40
7.3.260.0060.01316.28
7.3.250.0100.00716.41
7.3.240.0120.00616.46
7.3.230.0150.00316.39
7.3.210.0130.01016.45
7.3.200.0080.01219.39
7.3.190.0000.02216.17
7.3.180.0000.01516.20
7.3.170.0120.00916.27
7.3.160.0080.00816.06
7.3.120.0030.01014.66
7.2.330.0100.00716.57
7.2.320.0070.01116.35
7.2.310.0130.00316.46
7.2.300.0070.01016.60
7.2.290.0040.01316.57
7.2.00.0040.01919.22
7.1.200.0070.00715.49
7.1.100.0030.00918.20
7.1.70.0040.00417.14
7.1.60.0030.01319.50
7.1.50.0100.01316.82
7.1.00.0000.03722.36
7.0.200.0000.00716.79
7.0.140.0030.07322.09
7.0.60.0030.04020.02
7.0.50.0070.08017.87
7.0.40.0170.08320.19
7.0.30.0230.04320.18
7.0.20.0270.05020.06
7.0.10.0130.05020.21
7.0.00.0130.06020.30
5.6.280.0030.07321.07
5.6.210.0030.04020.46
5.6.200.0170.07718.18
5.6.190.0130.07720.63
5.6.180.0130.04720.35
5.6.170.0170.05020.48
5.6.160.0070.07720.41
5.6.150.0070.06318.19
5.6.140.0000.04718.21
5.6.130.0170.07318.12
5.6.120.0030.04020.98
5.6.110.0070.06721.03
5.6.100.0000.07020.99
5.6.90.0100.07720.97
5.6.80.0270.06320.52
5.5.350.0170.06720.45
5.5.340.0030.05317.98
5.5.330.0030.04020.29
5.5.320.0070.08320.29
5.5.310.0200.04320.13
5.5.300.0100.03317.91
5.5.290.0030.06017.98
5.5.280.0000.04320.71
5.5.270.0070.08320.75
5.5.260.0000.07720.86
5.5.250.0130.05320.45
5.5.240.0200.07320.18
5.4.450.0430.04319.26
5.4.440.0600.04019.24
5.4.430.0400.03719.57
5.4.420.0030.06319.31
5.4.410.0070.05719.42
5.4.400.0070.05319.02
5.4.390.0230.03718.92
5.4.380.0000.07718.98
5.4.370.0030.05719.06
5.4.360.0130.04719.06
5.4.350.0400.04011.98
5.4.340.0090.07711.96
5.4.320.0090.03912.45
5.4.310.0090.03812.45
5.4.300.0050.04412.45
5.4.290.0070.03712.45
5.4.280.0080.03912.35
5.4.270.0050.03612.35
5.4.260.0090.03812.35
5.4.250.0170.04318.89
5.4.240.0130.05018.73
5.4.230.0030.05318.74
5.4.220.0070.05318.90
5.4.210.0100.05018.99
5.4.200.0130.04718.84
5.4.190.0200.04018.93
5.4.180.0130.04718.74
5.4.170.0030.06318.99
5.4.160.0100.05318.79
5.4.150.0100.05018.86
5.4.140.0130.04716.30
5.4.130.0130.04016.45
5.4.120.0070.06016.27
5.4.110.0130.04316.35
5.4.100.0070.05016.49
5.4.90.0230.05316.54
5.4.80.0070.05016.22
5.4.70.0030.05316.33
5.4.60.0030.05016.27
5.4.50.0070.04716.26
5.4.40.0170.03716.26
5.4.30.0170.04016.20
5.4.20.0130.04316.31
5.4.10.0030.05316.39
5.4.00.0070.05015.70
5.3.290.0050.04312.80
5.3.280.0070.04714.62
5.3.270.0030.05314.62
5.3.260.0100.05014.62
5.3.250.0100.04714.52
5.3.240.0070.05014.61
5.3.230.0070.05014.61
5.3.220.0070.05314.58
5.3.210.0100.05014.40
5.3.200.0100.05014.57
5.3.190.0130.04314.57
5.3.180.0200.05014.45
5.3.170.0070.05014.57
5.3.160.0100.05014.56
5.3.150.0030.05314.71
5.3.140.0030.05014.47
5.3.130.0130.04714.41
5.3.120.0030.05314.43
5.3.110.0070.05314.32
5.3.100.0100.04713.91
5.3.90.0130.04313.71
5.3.80.0070.05014.03
5.3.70.0170.04313.79
5.3.60.0070.05014.01
5.3.50.0000.05313.83
5.3.40.0000.05313.96
5.3.30.0000.05313.92
5.3.20.0100.04313.73
5.3.10.0100.04313.56
5.3.00.0130.05713.50
5.2.170.0100.04011.16
5.2.160.0030.04011.02
5.2.150.0030.04311.24
5.2.140.0000.04711.14
5.2.130.0100.03311.01
5.2.120.0130.03011.00
5.2.110.0000.04311.25
5.2.100.0030.04010.93
5.2.90.0000.04311.19
5.2.80.0000.05011.09
5.2.70.0100.04010.92
5.2.60.0070.04011.16
5.2.50.0030.04010.93
5.2.40.0100.03311.09
5.2.30.0100.03710.98
5.2.20.0030.04011.11
5.2.10.0070.03710.75
5.2.00.0100.03710.65
5.1.60.0100.02710.01
5.1.50.0070.0309.95
5.1.40.0030.03310.04
5.1.30.0030.04310.23
5.1.20.0070.03310.23
5.1.10.0030.0379.83
5.1.00.0030.03310.00
5.0.50.0070.0238.77
5.0.40.0030.0238.29
5.0.30.0030.0478.07
5.0.20.0030.0238.42
5.0.10.0000.0308.31
5.0.00.0030.0408.39
4.4.90.0000.0237.30
4.4.80.0100.0137.30
4.4.70.0000.0237.30
4.4.60.0030.0207.30
4.4.50.0000.0237.30
4.4.40.0070.0307.30
4.4.30.0100.0237.30
4.4.20.0070.0177.30
4.4.10.0070.0177.30
4.4.00.0000.0377.30
4.3.110.0000.0237.30
4.3.100.0030.0207.30
4.3.90.0000.0237.30
4.3.80.0070.0277.30
4.3.70.0070.0177.30
4.3.60.0000.0237.30
4.3.50.0070.0177.30
4.3.40.0100.0337.30
4.3.30.0070.0177.30
4.3.20.0030.0207.30
4.3.10.0030.0207.30
4.3.00.0070.01314.52

preferences:
30.22 ms | 401 KiB | 5 Q