3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ar1 = ['sdasd'=>[2,3,5,7], 'grtgtr'=>[1,2,7,8]]; $ar2 = ['sdasd'=>[2,3], 'grtgtr'=>[1,2]]; foreach($ar1 as $key=>&$subar){ $subar = array_merge($subar,$ar2[$key]); } print_r($ar1);

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)
8.4.120.0130.00723.96
8.4.110.0130.00618.58
8.4.100.0100.01018.79
8.4.90.0130.00720.29
8.4.80.0110.00917.60
8.4.70.0090.00517.91
8.4.60.0100.01120.59
8.4.50.0130.00717.51
8.4.40.0120.00817.78
8.4.30.0000.00818.84
8.4.20.0000.00819.59
8.4.10.0160.00319.74
8.3.250.0090.01019.02
8.3.240.0100.00816.99
8.3.230.0110.00716.76
8.3.220.0050.00416.78
8.3.210.0050.00216.80
8.3.200.0100.00916.42
8.3.190.0040.00417.11
8.3.180.0090.01018.10
8.3.170.0000.01816.59
8.3.160.0120.00616.71
8.3.150.0090.00917.27
8.3.140.0040.00417.18
8.3.130.0000.00818.50
8.3.120.0090.00018.89
8.3.110.0130.00620.94
8.3.100.0100.00024.06
8.3.90.0090.00026.77
8.3.80.0270.00324.51
8.3.70.0270.00523.67
8.3.60.0300.00524.70
8.3.50.0120.00626.62
8.3.40.0190.00825.63
8.3.30.0170.00924.71
8.3.20.0150.00825.87
8.3.10.0240.00025.54
8.3.00.0160.00725.72
8.2.290.0090.01020.41
8.2.280.0120.00618.24
8.2.270.0100.01016.45
8.2.260.0040.01418.84
8.2.250.0040.00418.48
8.2.240.0110.01118.80
8.2.230.0080.01122.58
8.2.220.0000.00837.54
8.2.210.0070.00726.77
8.2.200.0150.00824.86
8.2.190.0180.00824.56
8.2.180.0220.00623.61
8.2.170.0210.00926.90
8.2.160.0250.00525.95
8.2.150.0250.00527.51
8.2.140.0220.00327.75
8.2.130.0130.00528.50
8.2.120.0150.01125.25
8.2.110.0240.00625.65
8.2.100.0190.00724.31
8.2.90.0180.00425.27
8.2.80.0150.00625.10
8.2.70.0170.00324.23
8.2.60.0220.00424.37
8.2.50.0160.00724.45
8.2.40.0170.00825.37
8.2.30.0170.00524.51
8.2.20.0210.00324.46
8.2.10.0180.00525.07
8.2.00.0200.00325.09
8.1.330.0060.00221.93
8.1.320.0160.00415.95
8.1.310.0060.01216.59
8.1.300.0040.00416.11
8.1.290.0200.00630.84
8.1.280.0260.00528.38
8.1.270.0150.01025.86
8.1.260.0160.01028.59
8.1.250.0200.00529.46
8.1.240.0210.00327.41
8.1.230.0210.00325.87
8.1.220.0170.00624.29
8.1.210.0200.00524.86
8.1.200.0220.01124.09
8.1.190.0120.00724.03
8.1.180.0120.00924.47
8.1.170.0130.00624.81
8.1.160.0190.00524.86
8.1.150.0070.01124.86
8.1.140.0110.00524.84
8.1.130.0080.00424.17
8.1.120.0070.00524.06
8.1.110.0130.01024.14
8.1.100.0110.01124.17
8.1.90.0110.01224.13
8.1.80.0170.00424.09
8.1.70.0120.00624.15
8.1.60.0140.01224.20
8.1.50.0160.00924.17
8.1.40.0220.00324.19
8.1.30.0260.00224.23
8.1.20.0110.00524.22
8.1.10.0190.00624.10
8.1.00.0150.00924.13
8.0.300.0180.00325.35
8.0.290.0180.00723.79
8.0.280.0110.00924.64
8.0.270.0140.00624.42
8.0.260.0180.00323.82
8.0.250.0160.00623.89
8.0.240.0180.00523.86
8.0.230.0180.00523.83
8.0.220.0200.00323.81
8.0.210.0110.01023.87
8.0.200.0140.00723.81
8.0.190.0170.00423.90
8.0.180.0130.01023.82
8.0.170.0190.00523.87
8.0.160.0140.00323.85
8.0.150.0110.00523.83
8.0.140.0070.00623.85
8.0.130.0130.00522.05
8.0.120.0150.00423.84
8.0.110.0130.00523.85
8.0.100.0110.00823.76
8.0.90.0150.00823.88
8.0.80.0170.01121.53
8.0.70.0200.00523.83
8.0.60.0130.00623.89
8.0.50.0160.00023.77
8.0.30.0080.00923.99
8.0.20.0120.00621.62
8.0.10.0090.00323.98
8.0.00.0120.00723.73
7.4.330.0060.00423.19
7.4.320.0080.00323.67
7.4.300.0030.00518.88
7.4.290.0090.00423.66
7.4.280.0140.00523.66
7.4.270.0150.00623.67
7.4.260.0120.00522.02
7.4.250.0080.00323.67
7.4.240.0040.00521.26
7.4.230.0100.00223.75
7.4.220.0060.00421.30
7.4.210.0110.00419.39
7.4.200.0090.00323.54
7.4.190.0100.00530.84
7.4.180.0150.00030.84
7.4.160.0260.00630.84
7.4.150.0190.00530.84
7.4.140.0240.00830.84
7.4.130.0150.01021.24
7.4.120.0210.00723.71
7.4.110.0140.01123.63
7.4.100.0190.01023.70
7.4.90.0160.00923.66
7.4.80.0160.01225.12
7.4.70.0220.00523.74
7.4.60.0180.00823.53
7.4.50.0190.00823.67
7.4.40.0190.01123.68
7.4.30.0150.01423.47
7.4.20.0160.00623.65
7.4.10.0110.00523.65
7.4.00.0140.00623.72
7.3.330.0120.00123.58
7.3.320.0110.00122.02
7.3.310.0120.00223.51
7.3.300.0110.00023.54
7.3.290.0090.01119.89
7.3.280.0160.00323.54
7.3.270.0180.00730.84
7.3.260.0200.00523.66
7.3.250.0290.00330.84
7.3.240.0110.00919.28
7.3.230.0200.00823.59
7.3.220.0300.00330.84
7.3.210.0190.00723.62
7.3.200.0170.00523.61
7.3.190.0160.01123.71
7.3.180.0200.00523.77
7.3.170.0220.00323.60
7.3.160.0220.00623.54
7.3.150.0190.01123.57
7.3.140.0110.00823.51
7.3.130.0100.00723.51
7.3.120.0130.00323.50
7.3.110.0190.00723.54
7.3.100.0190.00423.51
7.3.90.0210.01123.54
7.3.80.0210.00723.61
7.3.70.0200.00823.52
7.3.60.0200.00523.46
7.3.50.0190.00623.53
7.3.40.0200.00523.68
7.3.30.0190.00523.50
7.3.20.0230.00323.59
7.3.10.0090.00723.60
7.3.00.0090.00923.55
7.2.340.0280.00330.84
7.2.330.0180.01023.71
7.2.320.0200.00623.77
7.2.310.0180.00723.63
7.2.300.0130.00923.63
7.2.290.0130.00323.71
7.2.280.0160.00823.49
7.2.270.0140.01223.71
7.2.260.0200.00623.67
7.2.250.0180.01123.74
7.2.240.0150.01223.76
7.2.230.0200.00623.79
7.2.220.0210.00523.71
7.2.210.0200.01023.72
7.2.200.0210.00623.67
7.2.190.0180.00823.70
7.2.180.0160.01023.60
7.2.170.0200.00623.65
7.2.160.0170.00923.77
7.2.150.0180.00823.77
7.2.140.0150.01023.68
7.2.130.0180.00923.73
7.2.120.0240.00423.47
7.2.110.0230.00923.72
7.2.100.0210.00523.72
7.2.90.0120.00823.70
7.2.80.0140.00523.66
7.2.70.0100.00923.71
7.2.60.0120.00923.65
7.2.50.0230.00623.70
7.2.40.0230.00723.71
7.2.30.0190.00723.71
7.2.20.0150.00823.75
7.2.10.0150.01123.75
7.2.00.0330.00823.75

preferences:
71.41 ms | 403 KiB | 5 Q