3v4l.org

run code in 300+ PHP versions simultaneously
<?php $len = 9; echo implode('', array_keys(array_fill(1, $len, ''))) . '|' . PHP_EOL; echo str_pad('Foo', $len) . '|' . PHP_EOL; echo str_pad('Déja vu', $len) . '|' . PHP_EOL; echo str_pad(utf8_decode('Déja vu'), $len) . '|' . PHP_EOL; echo 'Déja vu'.str_repeat(' ', $len - mb_strwidth('Déja vu', mb_detect_encoding('Déja vu'))) . '|';

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)
8.3.60.0040.01116.50
8.3.50.0070.00822.06
8.3.40.0090.00618.84
8.3.30.0070.00719.03
8.3.20.0040.00420.14
8.3.10.0080.00020.50
8.3.00.0040.00419.25
8.2.180.0060.00916.50
8.2.170.0100.00722.96
8.2.160.0070.00720.47
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00420.97
8.2.110.0060.00320.41
8.2.100.0110.00017.96
8.2.90.0090.00019.20
8.2.80.0030.00617.97
8.2.70.0000.00817.75
8.2.60.0060.00317.93
8.2.50.0000.00918.07
8.2.40.0030.00618.22
8.2.30.0050.00319.46
8.2.20.0040.00417.87
8.2.10.0050.00318.13
8.2.00.0030.00517.86
8.1.280.0090.00925.92
8.1.270.0030.00622.17
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.95
8.1.230.0110.00019.16
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0060.00317.35
8.1.190.0000.00917.00
8.1.180.0020.00518.10
8.1.170.0040.00418.63
8.1.160.0070.00022.17
8.1.150.0100.00018.96
8.1.140.0040.00417.46
8.1.130.0000.00717.75
8.1.120.0070.00017.62
8.1.110.0040.00417.51
8.1.100.0000.00717.52
8.1.90.0000.00717.47
8.1.80.0000.00717.49
8.1.70.0030.00317.40
8.1.60.0000.00917.52
8.1.50.0000.00817.49
8.1.40.0040.00417.54
8.1.30.0080.00017.67
8.1.20.0040.00417.60
8.1.10.0000.00817.55
8.1.00.0000.00717.57
8.0.300.0030.00618.77
8.0.290.0040.00416.75
8.0.280.0030.00318.52
8.0.270.0000.00817.38
8.0.260.0030.00317.24
8.0.250.0070.00017.03
8.0.240.0030.00317.00
8.0.230.0030.00516.89
8.0.220.0000.00716.95
8.0.210.0070.00016.99
8.0.200.0000.00717.04
8.0.190.0070.00017.01
8.0.180.0040.00416.99
8.0.170.0080.00016.87
8.0.160.0070.00016.92
8.0.150.0070.00016.79
8.0.140.0040.00416.82
8.0.130.0030.00313.38
8.0.120.0040.00416.79
8.0.110.0000.00816.92
8.0.100.0040.00416.78
8.0.90.0000.00716.99
8.0.80.0100.00416.92
8.0.70.0080.00016.77
8.0.60.0000.00716.76
8.0.50.0040.00416.88
8.0.30.0120.00717.08
8.0.20.0110.01817.40
8.0.10.0000.00716.98
8.0.00.0140.00316.70
7.4.330.0050.00015.22
7.4.320.0000.00616.61
7.4.300.0000.00616.59
7.4.290.0000.00716.48
7.4.280.0040.00416.62
7.4.270.0070.00016.40
7.4.260.0000.00716.58
7.4.250.0050.00316.54
7.4.240.0020.00516.60
7.4.230.0030.00316.68
7.4.220.0090.00916.63
7.4.210.0070.00716.53
7.4.200.0070.00016.62
7.4.160.0130.00716.38
7.4.150.0030.01517.40
7.4.140.0060.01117.86
7.4.130.0090.00916.58
7.4.120.0140.00316.44
7.4.110.0000.01616.34
7.4.100.0070.01016.50
7.4.90.0080.00816.61
7.4.80.0100.01019.39
7.4.70.0060.01316.53
7.4.60.0130.00316.60
7.4.50.0000.00916.41
7.4.40.0200.00316.68
7.4.30.0080.00816.49
7.4.00.0100.00014.65
7.3.330.0000.00613.06
7.3.320.0070.00013.12
7.3.310.0070.00016.32
7.3.300.0030.00316.30
7.3.290.0060.01016.33
7.3.280.0060.01016.32
7.3.270.0060.01217.40
7.3.260.0060.01116.49
7.3.250.0100.00716.58
7.3.240.0070.01516.56
7.3.230.0080.00816.39
7.3.210.0110.00716.62
7.3.200.0080.01119.39
7.3.190.0140.00616.28
7.3.180.0080.00816.61
7.3.170.0090.01316.38
7.3.160.0090.00616.53
7.2.330.0190.00616.60
7.2.320.0150.00616.44
7.2.310.0040.01416.76
7.2.300.0100.01216.61
7.2.290.0090.00916.64
7.2.00.0030.01019.64
7.1.100.0300.00817.51
7.1.70.0050.00317.02
7.1.60.0140.01119.61
7.1.50.0070.01116.95
7.1.00.0000.08022.41
7.0.200.0000.00716.93
7.0.140.0000.07322.01
7.0.60.0030.08019.99
7.0.50.0070.07017.68
7.0.40.0100.08320.24
7.0.30.0430.05320.18
7.0.20.0170.08720.18
7.0.10.0130.05020.16
7.0.00.0070.04720.10
5.6.280.0070.07020.86
5.6.210.0100.08020.51
5.6.200.0070.06318.19
5.6.190.0070.04320.57
5.6.180.0230.04720.41
5.6.170.0230.06320.52
5.6.160.0000.05320.70
5.6.150.0100.08018.18
5.6.140.0030.04018.21
5.6.130.0030.08718.22
5.6.120.0100.08321.01
5.6.110.0030.08321.02
5.6.100.0070.08020.98
5.6.90.0170.07321.07
5.6.80.0070.08720.50
5.6.70.2670.03320.36
5.5.350.0070.07320.43
5.5.340.0030.08317.98
5.5.330.0100.08020.06
5.5.320.0200.07320.34
5.5.310.0230.08020.20
5.5.300.0030.05317.92
5.5.290.0100.07717.89
5.5.280.0030.06720.80
5.5.270.0070.03720.95
5.5.260.0030.04320.67
5.5.250.0100.07720.71
5.5.240.0100.07720.27
5.4.450.0630.05719.27
5.4.440.0800.05719.27
5.4.430.0670.05719.14
5.4.420.0000.06019.63
5.4.410.0870.05019.41
5.4.400.0870.05319.28
5.4.390.0700.05318.95
5.4.380.0170.05318.65
5.4.370.0200.05318.71
5.4.360.0130.07018.78
5.4.350.0330.05018.62
5.4.340.0200.05018.62
5.4.320.0050.03812.46
5.4.310.0080.04312.45
5.4.300.0040.04412.45
5.4.290.0080.03812.45
5.4.280.0030.03812.35
5.4.270.0040.03912.35
5.4.260.0070.03712.35
5.4.250.0030.04112.35
5.4.240.0080.03312.35
5.4.230.0050.03912.34
5.4.220.0080.03512.34
5.4.210.0110.03412.34
5.4.200.0150.04212.34
5.4.190.0100.03412.34
5.4.180.0070.03612.34
5.4.170.0090.03412.35
5.4.160.0110.04612.34
5.4.150.0070.03612.34
5.4.140.0070.03712.02
5.4.130.0050.03712.01
5.4.120.0070.03511.97
5.4.110.0060.03611.97
5.4.100.0080.03411.97
5.4.90.0070.03711.96
5.4.80.0060.04911.97
5.4.70.0040.03911.96
5.4.60.0070.03311.96
5.4.50.0050.03511.97
5.4.40.0060.03411.95
5.4.30.0080.03511.95
5.4.20.0090.03311.95
5.4.10.0070.03411.95
5.4.00.0070.03411.43
5.3.290.0080.03912.80
5.3.280.0060.03912.71
5.3.270.0080.03712.72
5.3.260.0130.04912.72
5.3.250.0100.04212.72
5.3.240.0080.04312.71
5.3.230.0070.04112.71
5.3.220.0060.04112.68
5.3.210.0070.03712.68
5.3.200.0110.03312.68
5.3.190.0070.03712.68
5.3.180.0100.04712.67
5.3.170.0050.04512.67
5.3.160.0090.03512.68
5.3.150.0090.03512.67
5.3.140.0100.03712.66
5.3.130.0040.04112.66
5.3.120.0040.04112.66
5.3.110.0080.04612.66
5.3.100.0080.03512.12
5.3.90.0060.03812.09
5.3.80.0060.03912.07
5.3.70.0050.03712.07
5.3.60.0090.03512.07
5.3.50.0060.03712.00
5.3.40.0070.03612.00
5.3.30.0040.04211.95
5.3.20.0060.03411.73
5.3.10.0080.03911.69
5.3.00.0080.03611.68
5.2.170.0090.0329.18
5.2.160.0060.0309.18
5.2.150.0060.0399.18
5.2.140.0100.0279.18
5.2.130.0050.0309.14
5.2.120.0050.0299.14
5.2.110.0040.0359.15
5.2.100.0020.0409.14
5.2.90.0080.0289.14
5.2.80.0040.0339.14
5.2.70.0040.0319.14
5.2.60.0080.0269.09
5.2.50.0070.0279.06
5.2.40.0050.0289.04
5.2.30.0050.0309.02
5.2.20.0050.0289.00
5.2.10.0090.0238.94
5.2.00.0050.0288.80
5.1.60.0060.0228.09
5.1.50.0030.0278.08
5.1.40.0050.0248.05
5.1.30.0020.0298.41
5.1.20.0020.0318.43
5.1.10.0020.0288.16
5.1.00.0080.0238.16
5.0.50.0050.0186.63
5.0.40.0020.0206.49
5.0.30.0050.0296.31
5.0.20.0030.0246.27
5.0.10.0050.0226.25
5.0.00.0050.0296.24
4.4.90.0040.0144.78
4.4.80.0040.0144.76
4.4.70.0040.0214.75
4.4.60.0030.0174.75
4.4.50.0050.0194.77
4.4.40.0020.0264.71
4.4.30.0010.0174.75
4.4.20.0020.0164.84
4.4.10.0030.0154.84
4.4.00.0040.0234.76
4.3.110.0020.0164.67
4.3.100.0040.0144.67
4.3.90.0040.0134.64
4.3.80.0040.0224.59
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0010.0194.63
4.3.40.0030.0244.54
4.3.30.0040.0153.29
4.3.20.0030.0153.27
4.3.10.0050.0133.23
4.3.00.0200.0177.29

preferences:
42.91 ms | 401 KiB | 5 Q