3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = array( "0" => 5, "1" => 2, "4" => 67 ); $arr2 = array( "0" => 5, "1" => 2, "8" => 78 ); array_merge($arr2, array_fill_keys(array_diff($arr1, $arr2), 0)) var_dump($arr2);

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)
5.4.270.0100.05318.96
5.4.260.0200.04718.90
5.4.250.0100.08718.93
5.4.240.0270.05319.00
5.4.230.0130.05018.95
5.4.220.0070.06318.96
5.4.210.0200.04718.95
5.4.200.0070.05318.89
5.4.190.0070.05719.02
5.4.180.0100.06318.99
5.4.170.0100.07018.98
5.4.160.0030.05718.63
5.4.150.0070.07718.93
5.4.140.0130.07016.63
5.4.130.0200.04016.51
5.4.120.0130.06716.46
5.4.110.0130.05716.56
5.4.100.0100.06716.48
5.4.90.0030.07716.48
5.4.80.0030.06716.46
5.4.70.0170.04016.40
5.4.60.0100.07016.46
5.4.50.0030.05716.48
5.4.40.0030.07316.68
5.4.30.0070.05316.29
5.4.20.0100.05716.30
5.4.10.0100.06016.48
5.4.00.0070.06715.84
5.3.280.0130.06314.65
5.3.270.0200.06014.45
5.3.260.0100.06314.76
5.3.250.0170.06714.38
5.3.240.0070.05314.38
5.3.230.0130.07014.63
5.3.220.0200.06314.57
5.3.210.0100.05014.57
5.3.200.0070.07314.34
5.3.190.0070.07714.59
5.3.180.0170.06314.48
5.3.170.0230.04014.58
5.3.160.0070.07014.58
5.3.150.0030.05314.40
5.3.140.0070.07014.42
5.3.130.0070.07314.60
5.3.120.0070.06014.42
5.3.110.0070.08314.55
5.3.100.0100.06714.19
5.3.90.0130.07714.03
5.3.80.0170.04013.91
5.3.70.0270.05014.17
5.3.60.0130.04314.02
5.3.50.0200.06013.72
5.3.40.0030.05313.96
5.3.30.0030.05313.96
5.3.20.0100.06013.39
5.3.10.0130.05313.66
5.3.00.0100.05013.51
5.2.170.0070.04711.06
5.2.160.0030.04310.90
5.2.150.0070.06011.08
5.2.140.0100.06011.15
5.2.130.0130.04310.88
5.2.120.0130.05011.02
5.2.110.0030.04311.10
5.2.100.0170.04011.11
5.2.90.0030.04011.12
5.2.80.0100.03711.10
5.2.70.0030.06011.09
5.2.60.0130.04710.94
5.2.50.0170.04010.94
5.2.40.0000.04711.15
5.2.30.0170.03310.98
5.2.20.0070.05310.98
5.2.10.0030.05711.03
5.2.00.0070.03710.70
5.1.60.0070.0439.89
5.1.50.0130.0379.92
5.1.40.0130.0309.75
5.1.30.0100.03310.31
5.1.20.0100.03310.43
5.1.10.0130.04010.26
5.1.00.0100.04310.03
5.0.50.0100.0238.61
5.0.40.0030.0308.26
5.0.30.0030.0438.01
5.0.20.0030.0338.28
5.0.10.0000.0338.36
5.0.00.0000.0438.22
4.4.90.0070.0276.44
4.4.80.0030.0276.44
4.4.70.0000.0276.44
4.4.60.0070.0206.44
4.4.50.0030.0206.44
4.4.40.0170.0306.44
4.4.30.0070.0276.44
4.4.20.0030.0206.44
4.4.10.0100.0236.44
4.4.00.0000.0336.44
4.3.110.0000.0306.44
4.3.100.0000.0236.44
4.3.90.0030.0236.44
4.3.80.0030.0436.44
4.3.70.0030.0236.44
4.3.60.0000.0236.44
4.3.50.0030.0206.44
4.3.40.0000.0336.44
4.3.30.0030.0206.44
4.3.20.0030.0206.44
4.3.10.0030.0206.44
4.3.00.0200.0206.92

preferences:
141.38 ms | 1394 KiB | 7 Q