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)
5.4.320.0070.04612.49
5.4.310.0100.03412.49
5.4.300.0060.03712.50
5.4.290.0070.03712.49
5.4.280.0070.03512.39
5.4.270.0100.03412.39
5.4.260.0070.03912.39
5.4.250.0030.04112.39
5.4.240.0030.03912.39
5.4.230.0080.03512.38
5.4.220.0060.03512.38
5.4.210.0080.03612.38
5.4.200.0040.04012.38
5.4.190.0080.03412.38
5.4.180.0060.04212.38
5.4.170.0090.03312.38
5.4.160.0040.03812.38
5.4.150.0090.04712.38
5.4.140.0020.04312.07
5.4.130.0050.03712.05
5.4.120.0100.03112.02
5.4.110.0090.03312.01
5.4.100.0060.03512.01
5.4.90.0080.03512.01
5.4.80.0050.03812.01
5.4.70.0040.04612.01
5.4.60.0060.03512.01
5.4.50.0060.03512.01
5.4.40.0090.03512.00
5.4.30.0030.03911.99
5.4.20.0050.03511.99
5.4.10.0060.03512.00
5.4.00.0030.04011.48
5.3.290.0060.04012.80
5.3.280.0090.03712.71
5.3.270.0080.03712.73
5.3.260.0080.03812.72
5.3.250.0070.04212.72
5.3.240.0040.03812.71
5.3.230.0070.04012.71
5.3.220.0040.03912.68
5.3.210.0060.04012.68
5.3.200.0060.03812.68
5.3.190.0100.03712.68
5.3.180.0080.04512.67
5.3.170.0060.04112.67
5.3.160.0050.03812.67
5.3.150.0080.04412.67
5.3.140.0060.03812.66
5.3.130.0080.04512.66
5.3.120.0060.03912.65
5.3.110.0110.03612.66
5.3.100.0050.03912.12
5.3.90.0060.03912.08
5.3.80.0080.04012.08
5.3.70.0050.03812.07
5.3.60.0060.03512.06
5.3.50.0060.03512.00
5.3.40.0050.03612.00
5.3.30.0050.03511.95
5.3.20.0060.03511.73
5.3.10.0030.03811.70
5.3.00.0120.03911.68
5.2.170.0020.0359.18
5.2.160.0060.0299.18
5.2.150.0070.0329.19
5.2.140.0060.0369.18
5.2.130.0070.0299.14
5.2.120.0090.0259.14
5.2.110.0080.0289.15
5.2.100.0040.0339.14
5.2.90.0040.0319.14
5.2.80.0030.0329.14
5.2.70.0110.0239.14
5.2.60.0050.0299.09
5.2.50.0060.0339.06
5.2.40.0080.0319.04
5.2.30.0050.0349.02
5.2.20.0080.0259.01
5.2.10.0070.0258.92
5.2.00.0030.0318.78
5.1.60.0020.0278.07
5.1.50.0050.0248.07
5.1.40.0060.0278.05
5.1.30.0050.0318.39
5.1.20.0080.0348.42
5.1.10.0090.0248.14
5.1.00.0060.0268.14
5.0.50.0040.0236.63
5.0.40.0020.0286.48
5.0.30.0040.0336.29
5.0.20.0050.0186.27
5.0.10.0050.0186.24
5.0.00.0060.0316.23
4.4.90.0020.0234.78
4.4.80.0020.0184.75
4.4.70.0020.0184.75
4.4.60.0010.0194.75
4.4.50.0030.0154.77
4.4.40.0040.0274.70
4.4.30.0010.0174.76
4.4.20.0040.0204.84
4.4.10.0010.0214.85
4.4.00.0040.0234.76
4.3.110.0020.0194.67
4.3.100.0030.0204.67
4.3.90.0070.0154.63
4.3.80.0010.0264.58
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0030.0154.62
4.3.40.0030.0234.54
4.3.30.0030.0143.29
4.3.20.0010.0173.26
4.3.10.0010.0173.22
4.3.00.0170.0307.12

preferences:
148.1 ms | 939 KiB | 8 Q