3v4l.org

run code in 300+ PHP versions simultaneously
<?php $first = [ 1 => ['qty' => 3], 2 => ['qty' => 4], 3 => ['qty' => 2], ]; $second = [ 1 => ['qty_rest' => 1] ]; var_dump(array_merge($first, $second));

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)
8.3.60.0170.00016.25
8.3.50.0180.00322.05
8.3.40.0070.00718.54
8.3.30.0100.00318.93
8.3.20.0040.00420.07
8.3.10.0050.00321.60
8.3.00.0090.00019.26
8.2.180.0100.01018.29
8.2.170.0140.00018.83
8.2.160.0140.00022.96
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0080.00026.16
8.2.120.0080.00019.23
8.2.110.0030.00622.27
8.2.100.0080.00417.75
8.2.90.0040.00419.05
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0080.00018.04
8.2.50.0040.00418.07
8.2.40.0080.00018.03
8.2.30.0020.00518.05
8.2.20.0000.00717.51
8.2.10.0050.00218.08
8.2.00.0000.00717.51
8.1.280.0070.01125.92
8.1.270.0040.00420.21
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00522.66
8.1.230.0090.00317.42
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0070.00317.22
8.1.190.0030.00517.10
8.1.180.0050.00318.10
8.1.170.0030.00520.37
8.1.160.0040.00421.96
8.1.150.0000.00718.86
8.1.140.0040.00417.29
8.1.130.0030.00317.80
8.1.120.0000.00717.32
8.1.110.0080.00017.36
8.1.100.0040.00417.38
8.1.90.0050.00217.38
8.1.80.0040.00417.39
8.1.70.0070.00017.26
8.1.60.0040.00417.50
8.1.50.0080.00017.46
8.1.40.0040.00417.42
8.1.30.0080.00017.54
8.1.20.0040.00417.54
8.1.10.0070.00417.31
8.1.00.0060.00317.38
8.0.300.0050.00318.77
8.0.290.0000.00816.63
8.0.280.0000.00718.24
8.0.270.0030.00517.10
8.0.260.0000.00817.06
8.0.250.0040.00416.90
8.0.240.0060.00016.76
8.0.230.0070.00016.81
8.0.220.0070.00016.81
8.0.210.0050.00316.76
8.0.200.0090.00016.86
8.0.190.0000.00716.72
8.0.180.0000.00716.74
8.0.170.0060.00316.79
8.0.160.0040.00416.79
8.0.150.0030.00616.86
8.0.140.0040.00416.77
8.0.130.0050.00213.20
8.0.120.0040.00416.79
8.0.110.0040.00416.83
8.0.100.0000.00816.61
8.0.90.0000.00816.77
8.0.80.0080.00816.87
8.0.70.0040.00416.79
8.0.60.0040.00416.62
8.0.50.0000.00716.66
8.0.30.0120.00617.02
8.0.20.0100.00817.40
8.0.10.0040.00416.87
8.0.00.0120.00916.76
7.4.330.0030.00315.07
7.4.320.0000.00616.53
7.4.300.0060.00016.43
7.4.290.0030.00316.53
7.4.280.0030.00616.46
7.4.270.0000.00616.45
7.4.260.0070.00016.41
7.4.250.0040.00416.24
7.4.240.0050.00316.45
7.4.230.0040.00416.62
7.4.220.0100.01016.43
7.4.210.0090.00516.46
7.4.200.0080.00016.54
7.4.160.0090.00616.34
7.4.150.0120.00617.40
7.4.140.0090.01217.86
7.4.130.0110.00616.35
7.4.120.0090.01116.36
7.4.110.0100.01016.41
7.4.100.0060.01216.46
7.4.90.0110.00716.21
7.4.80.0030.01419.39
7.4.70.0090.00616.31
7.4.60.0120.01216.30
7.4.50.0000.00916.20
7.4.40.0100.01016.35
7.4.30.0090.00916.51
7.4.00.0060.01014.61
7.3.330.0000.00513.07
7.3.320.0110.00413.01
7.3.310.0000.00716.09
7.3.300.0000.00716.02
7.3.290.0030.00316.15
7.3.280.0080.00816.22
7.3.270.0090.00917.40
7.3.260.0140.00416.12
7.3.250.0150.00416.20
7.3.240.0110.00616.52
7.3.230.0060.01716.39
7.3.210.0090.01216.14
7.3.200.0100.01419.39
7.3.190.0120.00416.43
7.3.180.0100.00616.33
7.3.170.0120.00916.53
7.3.160.0150.00916.39
7.3.120.0040.01114.46
7.3.110.0100.00714.55
7.3.100.0040.01214.80
7.3.90.0110.00414.90
7.3.80.0110.00014.72
7.3.70.0090.00614.64
7.3.60.0030.01514.69
7.3.50.0030.00614.52
7.3.40.0060.00614.35
7.3.30.0110.00414.77
7.3.20.0100.00616.59
7.3.10.0080.00416.66
7.3.00.0000.01116.46
7.2.330.0120.00616.36
7.2.320.0230.00316.47
7.2.310.0080.00816.32
7.2.300.0060.01316.14
7.2.290.0070.01016.30
7.2.250.0090.00915.06
7.2.240.0120.00614.87
7.2.230.0090.00914.77
7.2.220.0090.00314.77
7.2.210.0070.00315.06
7.2.200.0030.00614.75
7.2.190.0080.00814.65
7.2.180.0060.00914.93
7.2.170.0090.00614.89
7.2.80.0040.00416.49
7.2.00.0060.00618.85
7.1.330.0040.01115.77
7.1.320.0000.01115.82
7.1.310.0030.01015.74
7.1.300.0070.00715.77
7.1.290.0040.01115.81
7.1.280.0070.00715.81
7.1.270.0050.00815.77
7.1.260.0030.01015.74
7.1.200.0000.01315.50
7.1.100.0030.01018.14
7.1.70.0000.00816.87
7.1.60.0070.01719.50
7.1.50.0210.01834.65
7.1.00.0000.09322.29
7.0.200.0490.00614.21
7.0.140.0070.06722.04
7.0.60.0130.07320.00
7.0.50.0100.07717.89
7.0.40.0030.04719.98
7.0.30.0630.06320.30
7.0.20.0200.03720.14
7.0.10.0230.09320.18
7.0.00.0030.08720.21
5.6.280.0100.06721.07
5.6.210.0070.07020.68
5.6.200.0100.07718.16
5.6.190.0130.06020.63
5.6.180.0230.07720.61
5.6.170.0300.08020.50
5.6.160.0070.08320.46
5.6.150.0130.06718.15
5.6.140.0100.07718.07
5.6.130.0100.07318.12
5.6.120.0070.08720.97
5.6.110.0100.08321.01
5.6.100.0070.03720.96
5.6.90.0030.08320.96
5.6.80.0170.08020.39
5.5.350.0300.05020.32
5.5.340.0100.07717.96
5.5.330.0130.08020.40
5.5.320.0030.06320.25
5.5.310.0400.06720.29
5.5.300.0030.09017.89
5.5.290.0070.04017.96
5.5.280.0030.05320.79
5.5.270.0070.07720.75
5.5.260.0130.07720.79
5.5.250.0170.07720.60
5.5.240.0070.03720.15
5.4.450.0230.05719.13
5.4.440.0970.05719.51
5.4.430.0870.06019.54
5.4.420.0100.07319.63
5.4.410.0100.05718.97
5.4.400.1400.07718.66
5.4.390.1300.06318.50
5.4.380.1330.07018.50
5.4.370.1400.06718.72
5.4.360.1270.05318.53
5.4.350.1270.06018.58
5.4.340.1100.06718.50
5.4.320.1270.06718.48
5.4.310.1000.07018.72
5.4.300.1070.06018.59
5.4.290.1300.05318.70
5.4.280.1400.05018.62
5.4.270.1100.05718.73
5.4.260.1200.06018.55
5.4.250.1630.05718.73
5.4.240.1170.07718.58
5.4.230.1170.06318.51
5.4.220.1130.05718.70
5.4.210.1370.05318.47
5.4.200.1230.06016.56
5.4.190.1130.05718.66
5.4.180.1100.05018.50
5.4.170.1330.06718.68
5.4.160.1170.06318.68
5.4.150.1030.05718.65
5.4.140.1100.07016.05
5.4.130.1100.05016.26
5.4.120.0870.05316.15
5.4.110.0900.05716.26
5.4.100.1200.06316.22
5.4.90.1130.06716.21
5.4.80.1130.04316.33
5.4.70.1170.06716.25
5.4.60.1200.05316.24
5.4.50.1170.07316.02
5.4.40.1470.05716.12
5.4.30.1570.05016.27
5.4.20.1270.07016.13
5.4.10.1500.05016.13
5.4.00.1400.05715.59
5.3.290.0970.06714.67
5.3.280.1070.06714.67
5.3.270.1100.05014.63
5.3.260.1200.06314.52
5.3.250.1000.05014.61
5.3.240.1130.08014.59
5.3.230.1200.07014.70
5.3.220.1370.05014.50
5.3.210.1270.06714.64
5.3.200.1030.06014.57
5.3.190.1230.05314.48
5.3.180.1130.05314.52
5.3.170.1100.05714.55
5.3.160.0830.05014.47
5.3.150.1070.05314.57
5.3.140.1030.05014.61
5.3.130.1130.05714.60
5.3.120.1270.05714.50
5.3.110.1130.06314.47
5.3.100.1070.05714.07
5.3.90.1070.07313.99
5.3.80.1130.05314.11
5.3.70.1270.05313.91
5.3.60.1230.05313.99
5.3.50.1270.04713.89
5.3.40.1030.05013.95
5.3.30.1230.06713.89
5.3.20.0930.05713.69
5.3.10.1230.06013.75
5.3.00.1170.07013.58
5.2.170.0900.04011.05
5.2.160.1170.05711.18
5.2.150.1200.05311.05
5.2.140.1000.05011.12
5.2.130.1130.04311.03
5.2.120.1100.03711.13
5.2.110.1000.05011.13
5.2.100.0900.04711.07
5.2.90.1000.03711.24
5.2.80.1000.05011.08
5.2.70.0870.05011.13
5.2.60.1000.05010.99
5.2.50.0830.04311.15
5.2.40.0700.03311.14
5.2.30.0670.04011.02
5.2.20.0700.03710.96
5.2.10.0830.03710.87
5.2.00.0730.04310.85
5.1.60.0970.03710.02
5.1.50.0830.03310.04
5.1.40.0770.03710.05
5.1.30.0730.04010.43
5.1.20.0830.03710.50
5.1.10.0830.03010.06
5.1.00.0670.03710.18
5.0.50.0430.0278.52
5.0.40.0400.0278.48
5.0.30.0470.0408.20
5.0.20.0400.0308.31
5.0.10.0470.0238.20
5.0.00.0400.0438.27
4.4.90.0300.0275.84
4.4.80.0330.0235.86
4.4.70.0330.0375.93
4.4.60.0370.0205.92
4.4.50.0370.0205.95
4.4.40.0470.0405.87
4.4.30.0370.0235.81
4.4.20.0330.0275.96
4.4.10.0470.0305.96
4.4.00.0430.0435.86
4.3.110.0330.0305.86
4.3.100.0400.0275.83
4.3.90.0500.0235.79
4.3.80.0500.0405.91
4.3.70.0400.0205.80
4.3.60.0470.0205.78
4.3.50.0400.0275.91
4.3.40.0370.0375.78
4.3.30.0200.0234.57
4.3.20.0170.0274.58
4.3.10.0200.0274.57
4.3.00.0100.0206.90

preferences:
62.13 ms | 401 KiB | 5 Q