3v4l.org

run code in 300+ PHP versions simultaneously
<?php $numeric_tests = array( 'test1' => array( '11', '22', '33', '44' ), 'test2' => array( '44', '55', '66', '77' ) ); $assoc_tests = array( 'test1' => array( '11' => '11', '22' => '22', '33' => '33', '44' => '44' ), 'test2' => array( '44' => '44', '55' => '55', '66' => '66', '77' => '77' ) ); $numeric_concat = array(); $numeric_merge = array(); foreach( $numeric_tests as $test ) { $numeric_concat += $test; $numeric_merge = array_merge( $numeric_merge, $test ); } $assoc_concat = array(); $assoc_merge = array(); foreach( $assoc_tests as $test ) { $assoc_concat += array_flip( $test ); $assoc_merge = array_merge( $assoc_merge, $test ); } print_r($numeric_concat); print_r($numeric_merge); print_r($assoc_concat); print_r($assoc_merge);

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)
8.3.70.0060.00916.58
8.3.60.0090.00918.43
8.3.50.0120.00721.14
8.3.40.0110.00418.84
8.3.30.0040.01418.45
8.3.20.0000.00818.55
8.3.10.0080.00020.53
8.3.00.0100.00019.38
8.2.180.0210.00016.63
8.2.170.0190.00322.96
8.2.160.0030.01022.13
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0170.00026.16
8.2.120.0040.00419.48
8.2.110.0060.00322.08
8.2.100.0040.00817.84
8.2.90.0000.00817.91
8.2.80.0040.00417.97
8.2.70.0070.00417.63
8.2.60.0000.00818.16
8.2.50.0000.00818.07
8.2.40.0030.00518.34
8.2.30.0040.00419.97
8.2.20.0070.00017.68
8.2.10.0080.00017.77
8.2.00.0000.00817.83
8.1.280.0040.01125.92
8.1.270.0070.00023.99
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0000.01223.97
8.1.230.0080.00420.78
8.1.220.0040.00417.74
8.1.210.0040.00419.10
8.1.200.0030.00617.22
8.1.190.0040.00417.54
8.1.180.0030.00618.10
8.1.170.0040.00418.96
8.1.160.0040.00418.91
8.1.150.0020.00518.57
8.1.140.0030.00517.43
8.1.130.0000.00717.81
8.1.120.0000.00717.46
8.1.110.0040.00417.49
8.1.100.0000.00717.48
8.1.90.0080.00017.50
8.1.80.0000.00717.46
8.1.70.0030.00317.41
8.1.60.0090.00017.56
8.1.50.0040.00417.41
8.1.40.0030.00517.43
8.1.30.0080.00017.55
8.1.20.0000.00917.51
8.1.10.0000.00717.44
8.1.00.0000.00717.26
8.0.300.0040.00419.82
8.0.290.0030.00516.88
8.0.280.0000.00818.38
8.0.270.0070.00017.26
8.0.260.0030.00316.88
8.0.250.0060.00316.93
8.0.240.0030.00517.03
8.0.230.0050.00217.05
8.0.220.0060.00316.93
8.0.210.0070.00016.91
8.0.200.0000.00717.01
8.0.190.0070.00016.95
8.0.180.0060.00316.95
8.0.170.0060.00316.92
8.0.160.0000.00817.06
8.0.150.0040.00416.94
8.0.140.0060.00316.85
8.0.130.0000.00613.47
8.0.120.0040.00416.83
8.0.110.0050.00517.01
8.0.100.0040.00416.85
8.0.90.0000.00716.84
8.0.80.0090.00617.02
8.0.70.0000.00716.76
8.0.60.0000.00716.86
8.0.50.0040.00416.85
8.0.30.0120.00617.21
8.0.20.0070.01117.40
8.0.10.0000.00817.13
8.0.00.0080.01516.91
7.4.330.0000.00614.69
7.4.320.0000.00616.53
7.4.300.0060.00016.55
7.4.290.0040.00416.61
7.4.280.0050.00316.53
7.4.270.0030.00316.46
7.4.260.0000.00713.34
7.4.250.0060.00316.64
7.4.240.0000.00716.56
7.4.230.0000.00716.64
7.4.220.0090.00916.57
7.4.210.0060.01116.56
7.4.200.0000.00816.73
7.4.190.0070.00016.77
7.4.160.0100.00616.38
7.4.150.0110.00517.40
7.4.140.0140.00617.15
7.4.130.0090.00916.41
7.4.120.0110.00516.45
7.4.110.0090.01016.29
7.4.100.0100.00716.61
7.4.90.0140.00316.51
7.4.80.0100.00719.03
7.4.70.0100.00616.45
7.4.60.0100.00616.52
7.4.50.0030.00516.50
7.4.40.0040.01122.27
7.4.30.0060.00916.43
7.4.00.0130.00014.86
7.3.330.0070.00013.32
7.3.320.0020.00213.16
7.3.310.0070.00016.30
7.3.300.0000.00716.23
7.3.290.0070.00716.33
7.3.280.0060.00916.32
7.3.270.0110.00617.40
7.3.260.0140.00518.24
7.3.250.0100.00816.43
7.3.240.0070.01016.64
7.3.230.0150.00416.60
7.3.210.0080.00816.54
7.3.200.0090.00919.39
7.3.190.0060.01116.46
7.3.180.0100.00716.26
7.3.170.0070.01016.48
7.3.160.0030.01316.48
7.3.120.0090.00614.89
7.3.10.0040.00716.38
7.3.00.0080.00816.58
7.2.330.0180.00616.68
7.2.320.0070.01416.57
7.2.310.0110.01116.67
7.2.300.0060.01216.66
7.2.290.0100.00716.71
7.2.130.0080.01216.71
7.2.120.0100.00716.71
7.2.110.0110.00717.00
7.2.100.0080.01016.95
7.2.90.0050.00916.95
7.2.80.0070.01116.96
7.2.70.0140.00717.00
7.2.60.0000.01617.04
7.2.50.0050.00516.79
7.2.40.0060.00316.79
7.2.30.0000.01417.13
7.2.20.0060.01017.04
7.2.10.0040.00717.01
7.2.00.0030.00916.75
7.1.250.0100.00315.69
7.1.100.0000.01318.27
7.1.70.0050.00517.25
7.1.60.0000.02219.40
7.1.50.0030.01716.95
7.1.00.0070.05322.46
7.0.200.0200.00316.63
7.0.140.0070.07022.01
7.0.60.0170.04021.74
7.0.50.0000.04317.86
7.0.40.0170.04020.23
7.0.30.0030.04320.17
7.0.20.0030.04320.16
7.0.10.0070.04320.25
7.0.00.0030.04020.10
5.6.280.0030.07320.92
5.6.210.0070.06020.62
5.6.200.0000.07718.25
5.6.190.0130.07020.55
5.6.180.0130.04020.61
5.6.170.0030.04020.33
5.6.160.0130.07720.46
5.6.150.0070.04320.50
5.6.140.0070.05320.37
5.6.130.0070.04020.49
5.6.120.0070.04020.18
5.6.110.0000.04720.32
5.6.100.0070.04020.32
5.6.90.0030.04320.35
5.6.80.0030.04019.57
5.6.70.0070.03719.73
5.6.60.0130.03019.61
5.6.50.0030.04019.84
5.6.40.0070.03719.85
5.6.30.0000.04319.53
5.6.20.0030.05319.53
5.6.10.0170.07319.85
5.6.00.0030.04019.86
5.5.350.0100.07720.41
5.5.340.0100.07018.07
5.5.330.0030.04320.56
5.5.320.0100.03320.42
5.5.310.0070.04020.35
5.5.300.0030.06320.11
5.5.290.0030.04320.32
5.5.280.0070.04019.98
5.5.270.0070.05020.13
5.5.260.0030.04020.19
5.5.250.0000.04320.11
5.5.240.0100.04019.50
5.5.230.0070.03719.35
5.5.220.0030.04019.50
5.5.210.0100.03319.57
5.5.200.0030.04019.58
5.5.190.0030.04019.55
5.5.180.0000.04319.48
5.5.160.0130.03319.67
5.5.150.0100.07719.64
5.5.140.0170.08019.38
5.5.130.0100.03719.54
5.5.120.0070.08019.54
5.5.110.0070.04019.37
5.5.100.0030.04719.39
5.5.90.0070.04019.39
5.5.80.0100.04719.54
5.5.70.0130.06319.48
5.5.60.0030.05019.44
5.5.50.0130.05719.45
5.5.40.0030.08319.46
5.5.30.0170.03019.43
5.5.20.0170.03019.46
5.5.10.0100.05319.42
5.5.00.0130.04719.53
5.4.450.0000.04319.41
5.4.440.0100.03319.44
5.4.430.0070.03719.52
5.4.420.0070.03319.17
5.4.410.0030.03719.34
5.4.400.0000.04019.27
5.4.390.0030.03719.15
5.4.380.0030.03719.07
5.4.370.0100.03018.85
5.4.360.0070.03319.15
5.4.350.0070.03319.16
5.4.340.0100.03018.85
5.4.320.0030.07019.07
5.4.310.0100.07318.84
5.4.300.0100.07719.20
5.4.290.0130.03319.08
5.4.280.0070.03718.97
5.4.270.0170.03319.00
5.4.260.0070.03718.97
5.4.250.0000.04319.09
5.4.240.0130.04319.15
5.4.230.0070.07019.07
5.4.220.0100.03319.11
5.4.210.0030.04019.11
5.4.200.0030.04018.99
5.4.190.0000.05319.13
5.4.180.0030.07719.23
5.4.170.0030.08318.86
5.4.160.0070.04019.21
5.4.150.0100.08319.22
5.4.140.0070.06016.34
5.4.130.0130.06716.25
5.4.120.0070.06716.38
5.4.110.0070.08016.30
5.4.100.0100.07316.46
5.4.90.0070.07316.37
5.4.80.0100.07016.43
5.4.70.0070.04716.32
5.4.60.0100.06716.31
5.4.50.0100.07016.44
5.4.40.0100.07316.41
5.4.30.0030.04716.35
5.4.20.0030.07316.50
5.4.10.0030.08016.43
5.4.00.0070.07015.78
5.3.290.0070.07014.70
5.3.280.0170.03714.60
5.3.270.0170.06714.61
5.3.260.0070.03714.65
5.3.250.0100.03014.64
5.3.240.0100.07314.66
5.3.230.0130.07014.63
5.3.220.0030.07714.73
5.3.210.0070.06314.71
5.3.200.0070.06714.74
5.3.190.0070.05014.60
5.3.180.0070.04714.63
5.3.170.0000.05314.71
5.3.160.0100.04314.59
5.3.150.0070.07314.61
5.3.140.0100.07014.60
5.3.130.0030.04014.47
5.3.120.0000.04014.44
5.3.110.0070.04714.64
5.3.100.0030.04714.20
5.3.90.0070.06013.94
5.3.80.0030.07713.91
5.3.70.0100.06014.02
5.3.60.0000.08014.02
5.3.50.0070.06013.95
5.3.40.0130.07013.95
5.3.30.0030.08013.86
5.3.20.0070.06013.77
5.3.10.0100.07313.60
5.3.00.0070.07713.71
5.2.170.0000.05311.29
5.2.160.0070.06011.30
5.2.150.0070.06011.11
5.2.140.0070.03011.31
5.2.130.0100.04011.16
5.2.120.0100.05711.06
5.2.110.0100.05711.07
5.2.100.0070.04311.14
5.2.90.0100.05711.12
5.2.80.0100.06711.17
5.2.70.0100.02310.99
5.2.60.0030.03011.12
5.2.50.0000.03011.09
5.2.40.0070.02710.88
5.2.30.0030.04311.02
5.2.20.0070.03711.01
5.2.10.0100.03711.01
5.2.00.0130.03310.71
5.1.60.0030.02710.00
5.1.50.0000.02710.02
5.1.40.0030.04310.00
5.1.30.0030.03010.41
5.1.20.0100.05010.41
5.1.10.0000.0479.98
5.1.00.0030.05310.14
5.0.50.0030.0438.62
5.0.40.0000.0478.41
5.0.30.0000.0578.23
5.0.20.0030.0438.12
5.0.10.0030.0308.20
5.0.00.0000.0508.08
4.4.90.0000.0177.57
4.4.80.0000.0177.57
4.4.70.0030.0137.57
4.4.60.0000.0237.57
4.4.50.0000.0207.57
4.4.40.0000.0577.57
4.4.30.0000.0377.57
4.4.20.0030.0377.57
4.4.10.0100.0307.57
4.4.00.0000.0307.57
4.3.110.0030.0237.57
4.3.100.0030.0307.57
4.3.90.0000.0207.57
4.3.80.0030.0537.57
4.3.70.0030.0307.57
4.3.60.0000.0377.57
4.3.50.0000.0277.57
4.3.40.0000.0337.57
4.3.30.0000.0177.57
4.3.20.0000.0207.57
4.3.10.0030.0137.57
4.3.00.0000.0177.57

preferences:
66.04 ms | 401 KiB | 5 Q