3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('crie','dont', 'stay', 'here', 'with', 'your', 'bomb'); var_dump(count($arr),$arr[0]); unset($arr[0]) var_dump(count($arr),$arr[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)
5.4.310.0070.03712.49
5.4.300.0040.03912.50
5.4.290.0040.04312.49
5.4.280.0060.03512.39
5.4.270.0050.03612.39
5.4.260.0040.03712.39
5.4.250.0040.03712.39
5.4.240.0030.03712.39
5.4.230.0070.03612.38
5.4.220.0080.04212.38
5.4.210.0020.03912.38
5.4.200.0020.04812.38
5.4.190.0050.03412.38
5.4.180.0050.03512.38
5.4.170.0040.03612.39
5.4.160.0040.03812.38
5.4.150.0050.03912.38
5.4.140.0040.04112.07
5.4.130.0060.03712.05
5.4.120.0070.03312.02
5.4.110.0080.03912.01
5.4.100.0050.03512.01
5.4.90.0080.03612.02
5.4.80.0040.03612.01
5.4.70.0070.03312.00
5.4.60.0050.04512.01
5.4.50.0050.03512.01
5.4.40.0060.03512.00
5.4.30.0030.03711.99
5.4.20.0060.03411.98
5.4.10.0070.03212.00
5.4.00.0050.03611.48
5.3.280.0060.03612.71
5.3.270.0070.03812.72
5.3.260.0040.03912.72
5.3.250.0080.04112.71
5.3.240.0080.04312.72
5.3.230.0050.04012.71
5.3.220.0050.03712.68
5.3.210.0060.04112.68
5.3.200.0050.03912.68
5.3.190.0050.04812.68
5.3.180.0030.03912.68
5.3.170.0060.03612.67
5.3.160.0020.04112.67
5.3.150.0050.03712.68
5.3.140.0050.03612.66
5.3.130.0060.03812.66
5.3.120.0070.03912.65
5.3.110.0030.04612.66
5.3.100.0060.04112.11
5.3.90.0070.04512.08
5.3.80.0070.03812.08
5.3.70.0060.03512.08
5.3.60.0040.03612.06
5.3.50.0040.04212.00
5.3.40.0070.03812.00
5.3.30.0070.04111.95
5.3.20.0030.03911.73
5.3.10.0020.04111.70
5.3.00.0060.03511.68
5.2.170.0050.0349.19
5.2.160.0070.0269.18
5.2.150.0060.0309.18
5.2.140.0070.0359.18
5.2.130.0030.0329.14
5.2.120.0040.0289.14
5.2.110.0040.0299.15
5.2.100.0050.0279.14
5.2.90.0030.0309.14
5.2.80.0040.0309.14
5.2.70.0060.0309.14
5.2.60.0030.0369.09
5.2.50.0040.0379.06
5.2.40.0030.0309.04
5.2.30.0030.0309.01
5.2.20.0060.0319.00
5.2.10.0040.0278.92
5.2.00.0040.0328.78
5.1.60.0010.0258.07
5.1.50.0060.0288.07
5.1.40.0070.0268.05
5.1.30.0040.0248.39
5.1.20.0080.0318.43
5.1.10.0020.0278.14
5.1.00.0050.0248.15
5.0.50.0020.0216.63
5.0.40.0040.0266.48
5.0.30.0040.0326.29
5.0.20.0040.0216.27
5.0.10.0020.0246.24
5.0.00.0030.0326.23
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0020.0164.76
4.4.60.0030.0154.76
4.4.50.0030.0164.77
4.4.40.0050.0264.71
4.4.30.0020.0154.76
4.4.20.0020.0154.84
4.4.10.0020.0154.85
4.4.00.0020.0264.75
4.3.110.0030.0154.67
4.3.100.0020.0164.66
4.3.90.0020.0144.63
4.3.80.0040.0224.58
4.3.70.0030.0184.63
4.3.60.0050.0124.63
4.3.50.0040.0204.63
4.3.40.0040.0224.54
4.3.30.0050.0213.29
4.3.20.0020.0213.27
4.3.10.0010.0163.23
4.3.00.0100.0177.12

preferences:
140.09 ms | 1394 KiB | 7 Q