3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = "A B C D E F G H I J K L M N O P Q R S T U V W X Y Z"; $s = explode("\t", $s); foreach($s as $o => $x) $s[$o] = trim($x); $s = array_reverse($s); foreach($s as $l) echo $l . "\n";

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)
8.3.60.0120.00916.63
8.3.50.0100.00822.10
8.3.40.0110.00418.72
8.3.30.0120.00318.71
8.3.20.0000.00720.38
8.3.10.0040.00423.71
8.3.00.0040.00419.91
8.2.180.0190.00016.38
8.2.170.0180.00422.96
8.2.160.0120.00320.32
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0000.00821.07
8.2.120.0040.00426.35
8.2.110.0060.00321.18
8.2.100.0040.00717.84
8.2.90.0000.00819.32
8.2.80.0090.00017.97
8.2.70.0060.00317.63
8.2.60.0000.00818.05
8.2.50.0080.00018.07
8.2.40.0050.00320.97
8.2.30.0030.00520.53
8.2.20.0070.00017.73
8.2.10.0050.00318.17
8.2.00.0000.00718.11
8.1.280.0140.00325.92
8.1.270.0060.00319.05
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0060.00321.44
8.1.230.0040.00817.45
8.1.220.0000.00817.76
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0080.00018.50
8.1.160.0000.00720.79
8.1.150.0040.00418.90
8.1.140.0000.00819.64
8.1.130.0030.00317.57
8.1.120.0000.00817.37
8.1.110.0020.00517.52
8.1.100.0040.00417.46
8.1.90.0040.00417.45
8.1.80.0030.00517.34
8.1.70.0000.00717.30
8.1.60.0040.00417.51
8.1.50.0000.00917.43
8.1.40.0040.00417.41
8.1.30.0040.00417.66
8.1.20.0070.00017.64
8.1.10.0000.00717.58
8.1.00.0050.00217.39
8.0.300.0030.00518.77
8.0.290.0050.00216.75
8.0.280.0070.00018.34
8.0.270.0030.00317.23
8.0.260.0000.00817.21
8.0.250.0000.00716.95
8.0.240.0000.00816.88
8.0.230.0030.00317.01
8.0.220.0070.00016.73
8.0.210.0030.00316.74
8.0.200.0040.00416.99
8.0.190.0050.00316.93
8.0.180.0040.00416.82
8.0.170.0040.00416.94
8.0.160.0040.00416.91
8.0.150.0040.00416.80
8.0.140.0030.00716.82
8.0.130.0000.00513.27
8.0.120.0040.00416.83
8.0.110.0070.00016.93
8.0.100.0000.00816.78
8.0.90.0000.00716.85
8.0.80.0100.01116.82
8.0.70.0020.00516.90
8.0.60.0000.00716.78
8.0.50.0040.00416.79
8.0.30.0050.01417.16
8.0.20.0070.01417.40
8.0.10.0000.00716.96
8.0.00.0090.00916.83
7.4.330.0000.00616.89
7.4.320.0040.00416.60
7.4.300.0030.00316.46
7.4.290.0030.00316.47
7.4.280.0000.00816.56
7.4.270.0030.00316.52
7.4.260.0040.00416.60
7.4.250.0000.00816.46
7.4.240.0060.00216.62
7.4.230.0000.00716.49
7.4.220.0130.00316.70
7.4.210.0030.01016.46
7.4.200.0030.00316.49
7.4.160.0030.01216.48
7.4.150.0110.00817.40
7.4.140.0140.00517.86
7.4.130.0150.00216.61
7.4.120.0070.01016.67
7.4.110.0100.01016.71
7.4.100.0220.00016.55
7.4.90.0130.00316.57
7.4.80.0140.01119.39
7.4.70.0080.00816.46
7.4.60.0120.00816.59
7.4.50.0030.01316.42
7.4.40.0110.01116.52
7.4.30.0070.01016.57
7.4.00.0070.01014.72
7.3.330.0050.00013.25
7.3.320.0060.00013.07
7.3.310.0070.00016.40
7.3.300.0040.00416.22
7.3.290.0050.00916.32
7.3.280.0070.01016.36
7.3.270.0110.00617.40
7.3.260.0000.01716.53
7.3.250.0090.01216.41
7.3.240.0130.00616.59
7.3.230.0060.01316.46
7.3.210.0040.01216.54
7.3.200.0090.00616.56
7.3.190.0100.00616.32
7.3.180.0040.01416.36
7.3.170.0070.01316.44
7.3.160.0060.01016.41
7.2.330.0130.00616.78
7.2.320.0110.00716.71
7.2.310.0090.00816.71
7.2.300.0060.01216.40
7.2.290.0100.00716.84
7.2.60.0110.00716.95
7.2.00.0070.00419.25
7.1.200.0140.00715.82
7.1.100.0230.00618.07
7.1.70.0060.00917.05
7.1.60.0030.02019.13
7.1.50.0070.01516.93
7.1.00.0070.07322.32
7.0.200.0110.00016.76
7.0.60.0070.06319.97
7.0.50.0100.04717.85
7.0.40.0030.04320.23
7.0.30.0270.04720.17
7.0.20.0300.04720.09
7.0.10.0100.06020.33
7.0.00.0100.06020.01
5.6.280.0030.03320.89
5.6.210.0130.08020.53
5.6.200.0030.07018.16
5.6.190.0130.08020.60
5.6.180.0500.06720.36
5.6.170.0270.07020.52
5.6.160.0130.05320.51
5.6.150.0030.07018.11
5.6.140.0030.06318.18
5.6.130.0070.04318.15
5.6.120.0030.04020.98
5.6.110.0130.07721.11
5.6.100.0170.06020.98
5.6.90.0100.08320.98
5.6.80.0030.07320.39
5.5.350.0030.08020.43
5.5.340.0100.08017.96
5.5.330.0170.07320.46
5.5.320.0330.06020.41
5.5.310.0300.04720.23
5.5.300.0070.08317.88
5.5.290.0130.07717.98
5.5.280.0130.07720.86
5.5.270.0070.05320.75
5.5.260.0030.04320.97
5.5.250.0170.07320.68
5.5.240.0170.03720.18

preferences:
43.74 ms | 401 KiB | 5 Q