3v4l.org

run code in 300+ PHP versions simultaneously
<?php /* hey, i'm trying to get: Array[1] = Array ( [A1] => 123 [B1] => 1234 [C2] => Array ( [0] => 123 [1] => 456 [2] => 789 ) [R2] => Array ( [0] => 1 [1] => 4 [2] => 4 [3] => 6 ) ) */ $c = array('string'=>array("A1"=>123,"B1"=>1234,"C2"=>array(123,456,789))); $d = array('string'=>array("R2"=>array(1,4,4,6))); echo "<h1>now what</h1>"; $y = array_merge_recursive($c, $d); print_r($y);

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)
8.3.70.0140.00718.29
8.3.60.0070.01016.50
8.3.50.0090.00817.32
8.3.40.0070.00718.84
8.3.30.0030.01018.67
8.3.20.0030.00618.82
8.3.10.0060.00318.43
8.3.00.0040.00419.26
8.2.180.0040.01116.50
8.2.170.0100.01022.96
8.2.160.0060.01018.70
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00420.40
8.2.110.0040.00419.24
8.2.100.0080.00417.91
8.2.90.0000.00919.21
8.2.80.0030.00618.04
8.2.70.0000.00917.63
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0040.00718.22
8.2.30.0040.00419.34
8.2.20.0040.00417.59
8.2.10.0040.00417.62
8.2.00.0000.00817.80
8.1.280.0070.00725.92
8.1.270.0080.00024.66
8.1.260.0030.00526.35
8.1.250.0000.00828.09
8.1.240.0060.00322.46
8.1.230.0040.00720.99
8.1.220.0000.00818.77
8.1.210.0150.00018.77
8.1.200.0060.00617.23
8.1.190.0060.00317.39
8.1.180.0060.00318.10
8.1.170.0060.00318.52
8.1.160.0040.00418.78
8.1.150.0000.00718.50
8.1.140.0000.00817.29
8.1.130.0000.00717.42
8.1.120.0000.00717.29
8.1.110.0000.00717.35
8.1.100.0040.00317.35
8.1.90.0000.00717.43
8.1.80.0070.00017.43
8.1.70.0030.00317.35
8.1.60.0090.00017.41
8.1.50.0040.00417.44
8.1.40.0040.00417.50
8.1.30.0050.00317.58
8.1.20.0040.00417.59
8.1.10.0070.00017.45
8.1.00.0040.00417.32
8.0.300.0040.00419.97
8.0.290.0040.00417.18
8.0.280.0030.00318.38
8.0.270.0030.00316.87
8.0.260.0060.00016.72
8.0.250.0080.00016.86
8.0.240.0050.00316.79
8.0.230.0000.00716.87
8.0.220.0030.00316.85
8.0.210.0030.00616.72
8.0.200.0070.00016.93
8.0.190.0080.00016.91
8.0.180.0070.00016.86
8.0.170.0060.00316.88
8.0.160.0070.00016.76
8.0.150.0000.00816.75
8.0.140.0000.00716.82
8.0.130.0030.00313.25
8.0.120.0090.00016.75
8.0.110.0070.00016.82
8.0.100.0000.00716.72
8.0.90.0000.00716.68
8.0.80.0040.01116.82
8.0.70.0040.00416.80
8.0.60.0050.00216.71
8.0.50.0040.00416.86
8.0.30.0170.00317.09
8.0.20.0150.00717.13
8.0.10.0080.00016.94
8.0.00.0100.00916.67
7.4.330.0000.00412.94
7.4.320.0040.00416.39
7.4.300.0000.00616.42
7.4.290.0030.00616.54
7.4.280.0060.00316.46
7.4.270.0030.00516.51
7.4.260.0070.00013.13
7.4.250.0060.00316.46
7.4.240.0040.00316.53
7.4.230.0030.00316.63
7.4.220.0090.00916.50
7.4.210.0070.00616.46
7.4.200.0070.00016.54
7.4.190.0000.00716.25
7.4.160.0080.00816.48
7.4.150.0150.00316.48
7.4.140.0120.00716.44
7.4.130.0110.00616.52
7.4.120.0100.00616.46
7.4.110.0060.00916.48
7.4.100.0180.00316.46
7.4.90.0110.00716.52
7.4.80.0090.00916.38
7.4.70.0110.00816.35
7.4.60.0000.02116.64
7.4.50.0060.00616.44
7.4.40.0070.00716.23
7.4.30.0110.00716.45
7.4.00.0060.01214.68
7.3.330.0030.00312.97
7.3.320.0030.00312.98
7.3.310.0030.00316.07
7.3.300.0060.00016.13
7.3.290.0060.01316.09
7.3.280.0090.00816.15
7.3.270.0190.00316.14
7.3.260.0090.01616.31
7.3.250.0060.01316.45
7.3.240.0090.01216.21
7.3.230.0030.01516.47
7.3.210.0090.00916.45
7.3.200.0030.01619.39
7.3.190.0150.00616.17
7.3.180.0080.00916.34
7.3.170.0100.01016.23
7.3.160.0090.00616.41
7.3.120.0100.00314.67
7.3.10.0070.00716.59
7.3.00.0060.01016.43
7.2.330.0030.01416.71
7.2.320.0100.00716.37
7.2.310.0160.00316.58
7.2.300.0150.00016.67
7.2.290.0060.01016.63
7.2.130.0090.00616.46
7.2.120.0100.00316.97
7.2.110.0030.00516.93
7.2.100.0030.00716.81
7.2.90.0060.00916.75
7.2.80.0150.00017.03
7.2.70.0030.00916.83
7.2.60.0050.00816.83
7.2.50.0030.01016.69
7.2.40.0030.00616.66
7.2.30.0130.00016.75
7.2.20.0120.00317.00
7.2.10.0080.00616.58
7.2.00.0070.00718.12
7.1.250.0040.00415.86
7.1.200.0080.00415.48
7.1.100.0050.00818.21
7.1.70.0030.00317.24
7.1.60.0190.00319.40
7.1.50.0030.01316.56
7.1.00.0100.07322.50
7.0.200.0070.00716.64
7.0.140.0030.07722.09
7.0.120.0000.07722.03
7.0.60.0100.06319.78
7.0.50.0030.04717.87
7.0.40.0100.08320.09
7.0.30.0270.08020.18
7.0.20.0330.06020.21
7.0.10.0330.08020.06
7.0.00.0100.08320.32
5.6.210.0070.06720.66
5.6.200.0130.07018.25
5.6.190.0070.04320.66
5.6.180.0300.07720.61
5.6.170.0400.07020.48
5.6.160.0070.04020.59
5.6.150.0170.03018.19
5.6.140.0130.07318.17
5.6.130.0100.03718.18
5.6.120.0130.04721.02
5.6.110.0230.04720.86
5.6.100.0100.06321.04
5.6.90.0130.07721.10
5.6.80.0130.07020.35
5.6.70.0230.07720.37
5.5.350.0200.03320.36
5.5.340.0030.04017.98
5.5.330.0100.05720.19
5.5.320.0130.04720.40
5.5.310.0270.04020.24
5.5.300.0070.03717.98
5.5.290.0000.07718.01
5.5.280.0100.03720.84
5.5.270.0230.03320.76
5.5.260.0070.08720.83
5.5.250.0200.06320.66
5.5.240.0030.04020.06
5.4.450.0070.08019.40
5.4.440.0130.07719.57
5.4.430.0130.06319.40
5.4.420.0130.03319.57
5.4.410.0130.06319.34
5.4.400.0170.07019.12
5.4.390.0130.04319.14
5.4.380.0000.04719.24
5.4.370.0030.06718.98
5.4.360.0100.04719.15
5.4.350.0130.07018.85
5.4.340.0070.07719.12
5.4.320.0030.05719.24
5.4.310.0030.04019.20
5.4.300.0030.07318.84
5.4.290.0130.07019.15
5.4.280.0100.07018.86
5.4.270.0070.06718.84
5.4.260.0100.06718.92
5.4.250.0100.07718.91
5.4.240.0030.07319.23
5.4.230.0100.07319.14
5.4.220.0130.04718.86
5.4.210.0070.04018.84
5.4.200.0100.03319.13
5.4.190.0070.06719.14
5.4.180.0070.07719.10
5.4.170.0070.07018.99
5.4.160.0030.06718.85
5.4.150.0070.04019.12
5.4.140.0070.03316.37
5.4.130.0130.06016.37
5.4.120.0100.04016.35
5.4.110.0100.07016.50
5.4.100.0070.06316.43
5.4.90.0070.05316.49
5.4.80.0070.04716.39
5.4.70.0030.07016.36
5.4.60.0030.08016.31
5.4.50.0030.03716.36
5.4.40.0070.06716.36
5.4.30.0100.03716.63
5.4.20.0070.07316.29
5.4.10.0100.04716.36
5.4.00.0100.03315.94
5.3.290.0070.03714.71
5.3.280.0000.04314.64
5.3.270.0200.03314.64
5.3.260.0100.05314.75
5.3.250.0030.08314.65
5.3.240.0100.05014.63
5.3.230.0030.08014.59
5.3.220.0030.07314.56
5.3.210.0130.07014.54
5.3.200.0130.07014.59
5.3.190.0030.08014.63
5.3.180.0170.07314.57
5.3.170.0070.07714.61
5.3.160.0070.03714.57
5.3.150.0070.03714.59
5.3.140.0030.07314.58
5.3.130.0070.06714.61
5.3.120.0030.05314.56
5.3.110.0170.07014.53
5.3.100.0100.03714.02
5.3.90.0030.08014.02
5.3.80.0000.06714.06
5.3.70.0030.04713.89
5.3.60.0070.04013.96
5.3.50.0100.03313.95
5.3.40.0070.06013.96
5.3.30.0130.03314.06
5.3.20.0100.05013.68
5.3.10.0030.06013.65
5.3.00.0030.07713.55
5.2.170.0070.03311.10
5.2.160.0000.06011.21
5.2.150.0070.03311.18
5.2.140.0030.06311.14
5.2.130.0130.05711.04
5.2.120.0070.06011.13
5.2.110.0030.05010.98
5.2.100.0000.06711.11
5.2.90.0070.05711.04
5.2.80.0100.05711.10
5.2.70.0000.04010.98
5.2.60.0070.04711.18
5.2.50.0000.04711.01
5.2.40.0030.03310.98
5.2.30.0070.05011.02
5.2.20.0000.04310.98
5.2.10.0070.03310.88
5.2.00.0070.03310.75
5.1.60.0030.0509.94
5.1.50.0000.03010.00
5.1.40.0070.05310.11
5.1.30.0070.03010.40
5.1.20.0030.03010.30
5.1.10.0030.06010.11
5.1.00.0070.04710.06
5.0.50.0100.0338.84
5.0.40.0030.0478.84
5.0.30.0030.0508.84
5.0.20.0030.0438.84
5.0.10.0030.0378.84
5.0.00.0030.0438.84
4.4.90.0030.0378.84
4.4.80.0030.0308.84
4.4.70.0100.0238.84
4.4.60.0000.0308.84
4.4.50.0000.0378.84
4.4.40.0030.0508.84
4.4.30.0000.0408.84
4.4.20.0070.0338.84
4.4.10.0030.0338.84
4.4.00.0030.0508.84
4.3.110.0100.0208.84
4.3.100.0000.0338.84
4.3.90.0030.0338.84
4.3.80.0100.0478.84
4.3.70.0000.0378.84
4.3.60.0000.0308.84
4.3.50.0070.0338.84
4.3.40.0070.0478.84
4.3.30.0000.0378.84
4.3.20.0000.0278.84
4.3.10.0070.0338.84
4.3.00.0000.0338.84

preferences:
55.78 ms | 401 KiB | 5 Q