3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text="ála"; for($d=0;$d<strlen($text);$d++) { echo $text[$d] . "<br>"; } $char = 'á'; $char = 'a'; $hex = dechex(mb_ord($char)); var_dump($hex);

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)
8.3.40.0110.00418.67
8.3.30.0070.00719.29
8.3.20.0050.00324.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.170.0140.00018.96
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0050.00226.16
8.2.110.0070.00321.07
8.2.100.0090.00317.93
8.2.90.0030.00619.36
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0000.00818.05
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0000.00818.18
8.2.20.0040.00420.46
8.2.10.0000.00818.04
8.2.00.0000.00719.25
8.1.270.0000.00723.99
8.1.260.0040.00426.35
8.1.250.0070.00728.09
8.1.240.0030.00623.88
8.1.230.0110.00018.97
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0000.00816.87
8.1.180.0040.00418.10
8.1.170.0060.00318.78
8.1.160.0070.00018.98
8.1.150.0040.00418.67
8.1.140.0040.00417.52
8.1.130.0080.00018.96
8.1.120.0000.00717.49
8.1.110.0000.00817.43
8.1.100.0030.00617.40
8.1.90.0000.00817.41
8.1.80.0000.00717.51
8.1.70.0030.00317.52
8.1.60.0150.00917.61
8.1.50.0140.00817.52
8.1.40.0150.00717.50
8.1.30.0150.00917.71
8.1.20.0170.00317.75
8.1.10.0150.00917.49
8.1.00.0210.00317.45
8.0.300.0040.00418.77
8.0.290.0050.00316.63
8.0.280.0080.00018.44
8.0.270.0000.00716.80
8.0.260.0030.00318.38
8.0.250.0030.00617.03
8.0.240.0000.00616.90
8.0.230.0040.00417.00
8.0.220.0000.00716.82
8.0.210.0000.00716.93
8.0.200.0030.00317.07
8.0.190.0160.00216.94
8.0.180.0190.00016.84
8.0.170.0180.00016.95
8.0.160.0140.00516.89
8.0.150.0180.00016.79
8.0.140.0110.00716.83
8.0.130.0150.00416.86
8.0.120.0150.00316.93
8.0.110.0180.00016.89
8.0.100.0130.00716.95
8.0.90.0080.01116.88
8.0.80.0160.00316.96
8.0.70.0190.00016.82
8.0.60.0110.00716.85
8.0.50.0120.00616.68
8.0.30.0120.00616.80
8.0.20.0170.00216.99
8.0.10.0130.00616.93
7.4.330.0000.00515.55
7.4.320.0000.00616.50
7.4.300.0000.00616.45
7.4.290.0050.00516.59
7.4.280.0110.01116.60
7.4.270.0100.00716.55
7.4.260.0200.00016.56
7.4.250.0080.01216.54
7.4.240.0100.00316.56
7.4.230.0100.00316.46
7.4.220.0100.00616.42
7.4.210.0110.00416.43
7.4.200.0100.00316.44
7.4.190.0040.00716.56
7.4.180.0060.00316.66
7.4.160.0120.00616.48
7.4.150.0170.00016.41
7.4.140.0110.00816.50
7.4.130.0080.00816.33
7.4.120.0110.00716.41
7.4.110.0050.00916.48
7.4.100.0110.00716.59
7.4.90.0190.00016.31
7.4.80.0060.01216.45
7.4.70.0130.00516.47
7.4.60.0140.00416.47
7.4.50.0090.00916.43
7.4.40.0180.00016.27
7.4.30.0140.00516.44
7.4.20.0120.00616.33
7.4.10.0140.00316.34
7.4.00.0110.00716.32

preferences:
37.77 ms | 400 KiB | 5 Q