3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a' => 1, 'b' => array()); $b = array('c' => 2, 'c' => array()); $c= array(1,2,3); array_keys(array_diff_assoc($a,$c);

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)
5.4.320.0070.04912.50
5.4.310.0070.03712.50
5.4.300.0110.03412.50
5.4.290.0080.04112.49
5.4.280.0060.03712.39
5.4.270.0030.04012.39
5.4.260.0040.03912.39
5.4.250.0080.04212.39
5.4.240.0090.03812.39
5.4.230.0070.03612.38
5.4.220.0070.03812.38
5.4.210.0100.03512.38
5.4.200.0040.04012.38
5.4.190.0070.03512.38
5.4.180.0060.04212.38
5.4.170.0070.03412.38
5.4.160.0050.04312.38
5.4.150.0050.04012.38
5.4.140.0070.03612.07
5.4.130.0030.03812.05
5.4.120.0090.03312.02
5.4.110.0030.03712.01
5.4.100.0080.04112.02
5.4.90.0030.03812.01
5.4.80.0090.03412.02
5.4.70.0030.03612.01
5.4.60.0050.03512.00
5.4.50.0030.03812.01
5.4.40.0080.03212.00
5.4.30.0040.03712.00
5.4.20.0040.03711.99
5.4.10.0040.03512.00
5.4.00.0060.03511.48
5.3.290.0080.03712.80
5.3.280.0060.03912.71
5.3.270.0030.04512.72
5.3.260.0070.03812.72
5.3.250.0060.03912.72
5.3.240.0050.03712.72
5.3.230.0060.04612.71
5.3.220.0070.04112.68
5.3.210.0080.03812.68
5.3.200.0040.04112.68
5.3.190.0080.04212.68
5.3.180.0090.03912.67
5.3.170.0040.03812.67
5.3.160.0060.04012.68
5.3.150.0070.03912.67
5.3.140.0070.03812.66
5.3.130.0030.04112.66
5.3.120.0050.03912.66
5.3.110.0090.04112.66
5.3.100.0070.03912.12
5.3.90.0050.04112.08
5.3.80.0060.03712.07
5.3.70.0100.03412.07
5.3.60.0060.03912.06
5.3.50.0070.03712.00
5.3.40.0070.03512.00
5.3.30.0070.03311.95
5.3.20.0060.03411.73
5.3.10.0070.03311.70
5.3.00.0070.04211.68
5.2.170.0040.0419.19
5.2.160.0050.0349.19
5.2.150.0040.0319.19
5.2.140.0070.0299.18
5.2.130.0050.0289.14
5.2.120.0040.0299.14
5.2.110.0040.0299.15
5.2.100.0080.0259.14
5.2.90.0050.0289.14
5.2.80.0060.0299.14
5.2.70.0040.0319.14
5.2.60.0070.0289.09
5.2.50.0030.0329.06
5.2.40.0070.0269.04
5.2.30.0070.0289.01
5.2.20.0050.0289.00
5.2.10.0070.0268.93
5.2.00.0040.0308.78
5.1.60.0060.0218.07
5.1.50.0040.0258.07
5.1.40.0050.0328.04
5.1.30.0050.0278.40
5.1.20.0030.0288.42
5.1.10.0050.0268.14
5.1.00.0050.0308.14
5.0.50.0020.0306.63
5.0.40.0020.0216.48
5.0.30.0030.0316.29
5.0.20.0030.0206.27
5.0.10.0040.0206.24
5.0.00.0040.0306.23
4.4.90.0030.0154.78
4.4.80.0040.0184.76
4.4.70.0020.0164.76
4.4.60.0030.0154.76
4.4.50.0060.0184.77
4.4.40.0040.0304.71
4.4.30.0040.0214.76
4.4.20.0050.0164.84
4.4.10.0020.0194.85
4.4.00.0020.0274.75
4.3.110.0020.0164.67
4.3.100.0010.0164.67
4.3.90.0020.0254.64
4.3.80.0020.0304.58
4.3.70.0040.0224.63
4.3.60.0050.0124.63
4.3.50.0040.0144.63
4.3.40.0040.0274.53
4.3.30.0020.0213.29
4.3.20.0030.0153.26
4.3.10.0000.0173.23
4.3.00.0200.02715.63

preferences:
147.88 ms | 1394 KiB | 7 Q