3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = array('a', 'b', 'c'); $a2 = array('b', 'a', 'c'); echo ? 'y' : '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)
5.4.110.0110.04411.98
5.4.100.0160.03811.98
5.4.90.0120.04211.98
5.4.80.0170.05511.98
5.4.70.0100.04111.98
5.4.60.0160.04611.98
5.4.50.0120.04011.98
5.4.40.0090.04311.97
5.4.30.0110.04211.96
5.4.20.0170.05511.96
5.4.10.0130.03811.96
5.4.00.0130.03811.46
5.3.210.0130.04212.68
5.3.200.0150.04212.68
5.3.190.0130.04212.68
5.3.180.0180.05612.67
5.3.170.0140.04112.67
5.3.160.0200.05612.67
5.3.150.0120.04312.67
5.3.140.0130.04212.66
5.3.130.0210.06612.66
5.3.120.0160.04212.66
5.3.110.0130.04212.66
5.3.100.0140.04212.12
5.3.90.0170.04612.08
5.3.80.0150.04912.08
5.3.70.0120.04312.08
5.3.60.0180.05712.07
5.3.50.0160.05812.00
5.3.40.0150.05012.00
5.3.30.0120.04011.95
5.3.20.0180.06511.71
5.3.10.0170.04511.67
5.3.00.0090.04311.66
5.2.170.0100.0349.16
5.2.160.0130.0419.16
5.2.150.0110.0329.16
5.2.140.0080.0369.16
5.2.130.0100.0339.12
5.2.120.0080.0339.12
5.2.110.0180.0519.13
5.2.100.0090.0339.12
5.2.90.0110.0319.12
5.2.80.0120.0329.11
5.2.70.0110.0349.11
5.2.60.0080.0359.07
5.2.50.0090.0339.04
5.2.40.0100.0339.01
5.2.30.0150.0388.99
5.2.20.0150.0488.98
5.2.10.0220.0328.91
5.2.00.0120.0308.77
5.1.60.0100.0268.05
5.1.50.0070.0298.05
5.1.40.0100.0288.04
5.1.30.0090.0308.38
5.1.20.0220.0308.41
5.1.10.0090.0298.13
5.1.00.0090.0288.13
5.0.50.0070.0236.61
5.0.40.0050.0246.46
5.0.30.0060.0356.28
5.0.20.0060.0236.26
5.0.10.0060.0256.23
5.0.00.0140.0506.22
4.4.90.0080.0164.78
4.4.80.0060.0194.75
4.4.70.0050.0194.75
4.4.60.0040.0184.76
4.4.50.0050.0174.77
4.4.40.0070.0254.71
4.4.30.0070.0164.76
4.4.20.0200.0174.85
4.4.10.0060.0184.85
4.4.00.0070.0264.76
4.3.110.0030.0194.67
4.3.100.0040.0184.67
4.3.90.0100.0234.63
4.3.80.0060.0294.58
4.3.70.0060.0184.63
4.3.60.0070.0174.63
4.3.50.0060.0184.63
4.3.40.0070.0274.54
4.3.30.0050.0183.30
4.3.20.0060.0173.29
4.3.10.0040.0203.25
4.3.00.0130.0206.21

preferences:
140.6 ms | 1394 KiB | 7 Q