3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a', 'b', 'c', 'd', null); for($i = 0; $i < count($a); $i += 2) { echo $i . " "; if (array_key_exists($i + 1, $a)) { echo $a[$i + 1] . " "; } echo ($i + 1) . PHP_EOL; } $n = explode('|', $a[5]); var_dump($n); var_dump(array(''));

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)
8.3.60.0070.00718.54
8.3.50.0150.00316.18
8.3.40.0070.00718.83
8.3.30.0170.00318.84
8.3.20.0040.00420.08
8.3.10.0060.00321.58
8.3.00.0040.00419.68
8.2.180.0100.00718.54
8.2.170.0090.00622.96
8.2.160.0090.00619.07
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00321.06
8.2.120.0070.00026.35
8.2.110.0060.00320.35
8.2.100.0060.00617.97
8.2.90.0050.00519.16
8.2.80.0030.00618.05
8.2.70.0080.00017.75
8.2.60.0040.00417.93
8.2.50.0040.00418.10
8.2.40.0000.00720.55
8.2.30.0030.00619.36
8.2.20.0000.00718.11
8.2.10.0050.00218.07
8.2.00.0040.00418.16
8.1.280.0150.00025.92
8.1.270.0080.00022.05
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.60
8.1.230.0080.00419.10
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0030.00617.35
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0080.00018.64
8.1.160.0070.00018.91
8.1.150.0060.00318.75
8.1.140.0040.00419.60
8.1.130.0000.00718.80
8.1.120.0070.00017.46
8.1.110.0000.00717.33
8.1.100.0050.00317.48
8.1.90.0050.00217.42
8.1.80.0040.00417.46
8.1.70.0040.00417.43
8.1.60.0020.00517.61
8.1.50.0040.00417.49
8.1.40.0000.00717.55
8.1.30.0020.00517.50
8.1.20.0070.00017.65
8.1.10.0070.00017.59
8.1.00.0040.00417.53
8.0.300.0040.00418.77
8.0.290.0000.00916.75
8.0.280.0000.00818.43
8.0.270.0040.00417.23
8.0.260.0030.00316.88
8.0.250.0000.00616.92
8.0.240.0050.00517.00
8.0.230.0040.00416.93
8.0.220.0060.00017.00
8.0.210.0040.00416.97
8.0.200.0060.00016.89
8.0.190.0080.00317.01
8.0.180.0000.00816.97
8.0.170.0030.00416.90
8.0.160.0070.00016.85
8.0.150.0030.00316.77
8.0.140.0070.00016.91
8.0.130.0040.00413.33
8.0.120.0040.00416.84
8.0.110.0000.00716.84
8.0.100.0070.00017.00
8.0.90.0050.00216.96
8.0.80.0150.00016.89
8.0.70.0030.00517.05
8.0.60.0040.00416.99
8.0.50.0040.00416.96
8.0.30.0090.00917.12
8.0.20.0110.01017.40
8.0.10.0090.00016.95
8.0.00.0060.01316.66
7.4.330.0030.00315.55
7.4.320.0070.00016.58
7.4.300.0000.00716.59
7.4.290.0030.00316.44
7.4.280.0040.00416.48
7.4.270.0070.00016.50
7.4.260.0070.00316.52
7.4.250.0030.00316.60
7.4.240.0000.00716.58
7.4.230.0080.00016.61
7.4.220.0130.00616.55
7.4.210.0060.00916.64
7.4.200.0040.00416.59
7.4.160.0050.01116.48
7.4.150.0090.00917.40
7.4.140.0090.01217.86
7.4.130.0090.01316.57
7.4.120.0100.01016.59
7.4.110.0070.01016.73
7.4.100.0110.00716.51
7.4.90.0070.01016.45
7.4.80.0070.01119.39
7.4.70.0100.00716.63
7.4.60.0090.00616.50
7.4.50.0130.00316.63
7.4.40.0090.00916.42
7.4.30.0120.00416.45
7.4.00.0090.00914.75
7.3.330.0050.00013.30
7.3.320.0000.00713.25
7.3.310.0070.00016.54
7.3.300.0030.00316.37
7.3.290.0100.00616.32
7.3.280.0070.00916.33
7.3.270.0030.01517.40
7.3.260.0150.00516.39
7.3.250.0080.00916.43
7.3.240.0110.01116.57
7.3.230.0090.01216.64
7.3.210.0110.00616.45
7.3.200.0120.00916.32
7.3.190.0030.01216.30
7.3.180.0080.00816.40
7.3.170.0120.00316.38
7.3.160.0080.00816.44
7.3.10.0040.01116.59
7.3.00.0090.00616.70
7.2.330.0100.00716.47
7.2.320.0060.01516.86
7.2.310.0100.01016.76
7.2.300.0120.00616.43
7.2.290.0040.01716.76
7.2.130.0070.00716.97
7.2.120.0030.01116.94
7.2.110.0070.00716.86
7.2.100.0040.01117.13
7.2.90.0090.00016.97
7.2.80.0030.01017.08
7.2.70.0090.00616.88
7.2.60.0080.00816.97
7.2.50.0060.00616.96
7.2.40.0130.00717.04
7.2.30.0090.00916.99
7.2.20.0180.00317.02
7.2.10.0000.01416.80
7.2.00.0090.00318.27
7.1.250.0100.00715.66
7.1.200.0090.00315.55
7.1.100.0000.01517.98
7.1.70.0040.00817.29
7.1.60.0190.01135.05
7.1.50.0150.01534.75
7.1.40.0130.01334.45
7.1.30.0110.01534.50
7.1.20.0240.00334.70
7.1.10.0000.01416.57
7.1.00.0030.01016.84
7.0.200.0090.00616.68
7.0.190.0030.01016.43
7.0.180.0070.00716.18
7.0.170.0040.01116.34
7.0.160.0080.00516.22
7.0.150.0030.01016.20
7.0.140.0040.00816.43
7.0.130.0040.00816.59
7.0.120.0060.00616.70
7.0.110.0000.01316.43
7.0.100.0090.00416.25
7.0.90.0070.00716.26
7.0.80.0060.01216.55
7.0.70.0030.01416.39
7.0.60.0040.01216.12
7.0.50.0060.00616.35
7.0.40.0040.00816.59
7.0.30.0040.00816.40
7.0.20.0090.00616.59
7.0.10.0060.00816.35
7.0.00.0000.01416.48

preferences:
45.59 ms | 401 KiB | 5 Q