3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ar1 = array("color" => array("favorite" => "red"), 5); $ar2 = array(10, "color" => array("favorite" => "green", "blue")); $result = array_merge_recursive($ar1, $ar2); $result2 = $ar1 + $ar2; print_r($result); print_r($result2);

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)
8.3.40.0110.00418.51
8.3.30.0120.00318.78
8.3.20.0100.00719.98
8.3.10.0030.00521.77
8.3.00.0110.00719.26
8.2.170.0000.01422.96
8.2.160.0070.00722.09
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0070.01119.48
8.2.110.0040.00720.30
8.2.100.0080.00317.78
8.2.90.0000.00819.08
8.2.80.0050.00317.97
8.2.70.0050.00517.50
8.2.60.0040.00417.91
8.2.50.0000.00918.07
8.2.40.0040.00419.88
8.2.30.0000.00718.09
8.2.20.0050.00317.60
8.2.10.0080.00018.14
8.2.00.0050.00217.79
8.1.270.0060.00320.57
8.1.260.0000.00826.35
8.1.250.0070.00728.09
8.1.240.0060.00322.00
8.1.230.0060.00623.81
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0040.00420.37
8.1.160.0000.00721.81
8.1.150.0000.00718.77
8.1.140.0080.00017.41
8.1.130.0040.00417.37
8.1.120.0040.00417.38
8.1.110.0080.00017.37
8.1.100.0040.00417.31
8.1.90.0040.00417.38
8.1.80.0040.00417.39
8.1.70.0030.00317.34
8.1.60.0040.00417.52
8.1.50.0050.00317.51
8.1.40.0000.00917.36
8.1.30.0040.00417.56
8.1.20.0080.00017.52
8.1.10.0000.00917.39
8.1.00.0050.00317.26
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0030.00318.42
8.0.270.0030.00317.18
8.0.260.0030.00316.71
8.0.250.0000.00716.91
8.0.240.0060.00016.98
8.0.230.0000.00716.94
8.0.220.0040.00416.79
8.0.210.0090.00016.88
8.0.200.0030.00316.82
8.0.190.0000.00716.91
8.0.180.0080.00016.95
8.0.170.0080.00016.80
8.0.160.0040.00416.93
8.0.150.0040.00416.79
8.0.140.0030.00516.88
8.0.130.0000.00813.31
8.0.120.0040.00416.75
8.0.110.0040.00416.90
8.0.100.0040.00416.69
8.0.90.0050.00316.75
8.0.80.0120.00316.77
8.0.70.0050.00316.93
8.0.60.0070.00016.70
8.0.50.0070.00016.75
8.0.30.0160.01017.06
8.0.20.0170.00317.40
8.0.10.0040.00416.84
8.0.00.0080.00916.86
7.4.330.0050.00015.09
7.4.320.0000.00716.43
7.4.300.0000.00816.42
7.4.290.0040.00416.43
7.4.280.0070.00016.32
7.4.270.0040.00416.42
7.4.260.0000.00716.39
7.4.250.0080.00016.41
7.4.240.0030.00416.43
7.4.230.0040.00416.60
7.4.220.0180.00016.60
7.4.210.0060.00916.47
7.4.200.0000.00716.41
7.4.160.0070.01316.38
7.4.150.0100.00717.40
7.4.140.0130.00617.86
7.4.130.0090.00816.49
7.4.120.0100.00716.27
7.4.110.0140.00516.38
7.4.100.0160.00316.34
7.4.90.0060.01616.31
7.4.80.0070.01719.39
7.4.70.0090.00616.29
7.4.60.0100.01316.36
7.4.50.0080.00016.27
7.4.40.0100.00616.30
7.4.30.0130.00816.08
7.4.00.0070.00714.48
7.3.330.0020.00213.04
7.3.320.0120.00012.95
7.3.310.0000.00716.14
7.3.300.0000.00716.10
7.3.290.0030.00316.20
7.3.280.0070.00916.22
7.3.270.0000.01717.40
7.3.260.0130.00916.14
7.3.250.0090.01116.24
7.3.240.0100.00616.21
7.3.230.0100.00716.39
7.3.210.0130.00316.39
7.3.200.0060.00916.16
7.3.190.0100.00616.37
7.3.180.0080.01216.30
7.3.170.0100.01316.51
7.3.160.0150.00616.30
7.2.330.0030.01416.24
7.2.320.0000.01616.37
7.2.310.0060.01016.44
7.2.300.0070.01216.46
7.2.290.0060.01016.37
7.2.00.0070.00719.44
7.1.100.0000.00917.99
7.1.70.0000.01017.07
7.1.60.0030.01019.50
7.1.50.0100.00716.91
7.1.00.0030.07722.30
7.0.200.0160.01116.38
7.0.140.0070.05721.98
7.0.60.0100.05020.00
7.0.50.0000.05317.95
7.0.40.0100.07720.04
7.0.30.0270.03320.21
7.0.20.0400.03320.08
7.0.10.0300.08320.07
7.0.00.0170.08020.29
5.6.280.0030.07021.03
5.6.210.0100.06320.55
5.6.200.0070.08018.25
5.6.190.0230.07020.52
5.6.180.0570.07020.36
5.6.170.0230.04320.57
5.6.160.0130.07720.55
5.6.150.0030.07318.18
5.6.140.0070.08718.18
5.6.130.0130.07718.18
5.6.120.0130.08020.98
5.6.110.0170.07321.13
5.6.100.0130.08020.98
5.6.90.0070.08720.96
5.6.80.0030.04720.37
5.6.70.0300.07020.35
5.5.350.0130.08320.38
5.5.340.0100.07017.99
5.5.330.0030.04320.13
5.5.320.0000.04320.40
5.5.310.0300.08320.37
5.5.300.0100.07318.03
5.5.290.0130.04717.91
5.5.280.0200.07020.87
5.5.270.0170.06720.79
5.5.260.0100.08320.85
5.5.250.0070.04320.54
5.5.240.0130.06720.14
5.4.450.0700.05719.61
5.4.440.1130.07019.47
5.4.430.1130.05719.19
5.4.420.0870.05719.62
5.4.410.1070.05719.50
5.4.400.0270.05318.83
5.4.390.0270.06718.78
5.4.380.0200.07718.55
5.4.370.0300.04718.68
5.4.360.0230.06018.81
5.4.350.0200.06018.79
5.4.340.0170.05718.79
5.4.320.0330.06018.79
5.4.310.0330.05018.59
5.4.300.0300.05018.58
5.4.290.0200.05718.63
5.4.280.0300.05718.49
5.4.270.0070.07018.61
5.4.260.0330.07018.83
5.4.250.0270.06718.80
5.4.240.0130.06318.68
5.4.230.0070.07018.82
5.4.220.0230.06318.60
5.4.210.0270.05318.61
5.4.200.0230.06016.79
5.4.190.0270.06018.73
5.4.180.0200.06018.75
5.4.170.0300.06718.57
5.4.160.0370.06318.66
5.4.150.0230.05318.76
5.4.140.0270.06716.32
5.4.130.0270.05316.32
5.4.120.0270.05316.29
5.4.110.0230.07716.25
5.4.100.0370.04316.32
5.4.90.0330.04316.44
5.4.80.0330.06016.42
5.4.70.0230.05316.41
5.4.60.0270.05716.27
5.4.50.0230.04716.25
5.4.40.0200.06016.29
5.4.30.0300.05016.27
5.4.20.0130.06016.24
5.4.10.0170.05316.12
5.4.00.0230.04715.66
5.3.290.0200.06714.68
5.3.280.0200.06014.62
5.3.270.0270.08014.64
5.3.260.0100.06314.80
5.3.250.0300.06314.66
5.3.240.0270.07014.62
5.3.230.0170.06014.57
5.3.220.0270.05014.67
5.3.210.0170.05714.69
5.3.200.0230.05314.54
5.3.190.0230.05314.74
5.3.180.0170.05314.72
5.3.170.0230.06014.77
5.3.160.0270.05014.55
5.3.150.0330.05014.66
5.3.140.0330.04314.60
5.3.130.0300.04714.75
5.3.120.0230.05314.59
5.3.110.0230.05314.64
5.3.100.0370.04714.16
5.3.90.0230.05314.04
5.3.80.0300.04714.17
5.3.70.0130.05714.06
5.3.60.0270.05014.04
5.3.50.0230.05013.92
5.3.40.0230.05014.00
5.3.30.0130.06313.95
5.3.20.0170.05713.70
5.3.10.0200.05313.70
5.3.00.0270.06713.79
5.2.170.0270.03711.13
5.2.160.0200.04011.36
5.2.150.0130.04711.25
5.2.140.0100.05011.21
5.2.130.0100.06011.13
5.2.120.0200.04011.21
5.2.110.0200.05711.14
5.2.100.0270.05011.20
5.2.90.0170.04711.20
5.2.80.0100.04711.20
5.2.70.0070.05011.30
5.2.60.0200.05711.14
5.2.50.0300.04711.03
5.2.40.0300.04311.02
5.2.30.0270.05011.07
5.2.20.0170.04010.99
5.2.10.0100.04310.87
5.2.00.0270.04310.81
5.1.60.0230.0379.97
5.1.50.0170.03010.01
5.1.40.0170.0339.99
5.1.30.0070.04710.50
5.1.20.0100.04310.39
5.1.10.0170.03310.09
5.1.00.0170.03310.08
5.0.50.0170.0278.67
5.0.40.0130.0238.59
5.0.30.0100.0478.32
5.0.20.0100.0238.38
5.0.10.0100.0278.37
5.0.00.0070.0478.19
4.4.90.0030.0306.00
4.4.80.0130.0235.88
4.4.70.0070.0275.88
4.4.60.0130.0175.87
4.4.50.0100.0175.95
4.4.40.0130.0305.90
4.4.30.0100.0205.87
4.4.20.0100.0206.00
4.4.10.0100.0275.92
4.4.00.0100.0335.91
4.3.110.0070.0275.76
4.3.100.0070.0235.80
4.3.90.0100.0235.92
4.3.80.0130.0405.88
4.3.70.0130.0235.79
4.3.60.0070.0235.79
4.3.50.0070.0235.86
4.3.40.0000.0435.88
4.3.30.0030.0274.84
4.3.20.0030.0234.84
4.3.10.0030.0234.84
4.3.00.0070.0237.06

preferences:
41.13 ms | 400 KiB | 5 Q