3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = [ 'a' => 'a', 'submodule_id' => [1] ]; $array2 = [ 'a' => 'a', 'submodule_id' => [2] ]; var_dump(array_merge($array1, $array2));

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)
8.3.60.0110.00718.30
8.3.50.0100.00722.12
8.3.40.0070.00718.46
8.3.30.0140.00318.94
8.3.20.0080.00020.22
8.3.10.0050.00321.68
8.3.00.0100.01020.77
8.2.180.0120.00416.49
8.2.170.0100.01022.96
8.2.160.0070.00722.12
8.2.150.0070.00724.18
8.2.140.0090.00024.66
8.2.130.0000.00826.16
8.2.120.0090.00018.22
8.2.110.0090.00022.20
8.2.100.0040.00717.63
8.2.90.0030.00519.18
8.2.80.0000.00817.97
8.2.70.0030.00517.63
8.2.60.0050.00317.80
8.2.50.0050.00318.07
8.2.40.0080.00018.22
8.2.30.0060.00317.88
8.2.20.0000.00717.48
8.2.10.0030.00517.97
8.2.00.0070.00017.48
8.1.280.0160.00325.92
8.1.270.0090.00920.66
8.1.260.0050.00326.35
8.1.250.0000.01828.09
8.1.240.0070.00323.96
8.1.230.0090.00319.10
8.1.220.0040.00417.78
8.1.210.0000.00818.77
8.1.200.0030.00717.23
8.1.190.0060.00317.22
8.1.180.0000.00718.10
8.1.170.0040.00418.50
8.1.160.0040.00421.81
8.1.150.0040.00418.82
8.1.140.0000.00819.16
8.1.130.0000.00717.82
8.1.120.0000.00817.38
8.1.110.0000.00717.42
8.1.100.0080.00017.41
8.1.90.0080.00017.45
8.1.80.0000.00717.42
8.1.70.0000.00717.32
8.1.60.0000.00817.43
8.1.50.0030.00517.42
8.1.40.0000.00817.32
8.1.30.0000.00817.43
8.1.20.0060.00317.58
8.1.10.0040.00417.22
8.1.00.0070.00417.38
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0070.00018.38
8.0.270.0030.00317.26
8.0.260.0000.00817.18
8.0.250.0000.00616.87
8.0.240.0080.00016.77
8.0.230.0060.00316.86
8.0.220.0000.00616.80
8.0.210.0000.00816.80
8.0.200.0060.00016.92
8.0.190.0040.00416.78
8.0.180.0040.00416.77
8.0.170.0000.00816.85
8.0.160.0030.00316.84
8.0.150.0030.00516.73
8.0.140.0000.00916.82
8.0.130.0030.00313.20
8.0.120.0080.00016.79
8.0.110.0030.00316.79
8.0.100.0040.00416.83
8.0.90.0040.00416.63
8.0.80.0040.01116.70
8.0.70.0000.00816.63
8.0.60.0040.00416.84
8.0.50.0050.00316.67
8.0.30.0070.01716.93
8.0.20.0180.01417.40
8.0.10.0040.00417.00
8.0.00.0140.00816.67
7.4.330.0030.00315.03
7.4.320.0000.00616.52
7.4.300.0060.00016.49
7.4.290.0000.00716.43
7.4.280.0030.00316.27
7.4.270.0000.00716.48
7.4.260.0030.00316.44
7.4.250.0000.00716.38
7.4.240.0020.00516.51
7.4.230.0000.00716.45
7.4.220.0070.01016.56
7.4.210.0060.00916.39
7.4.200.0070.00016.28
7.4.160.0090.00616.52
7.4.150.0040.01917.40
7.4.140.0130.00517.86
7.4.130.0070.01116.42
7.4.120.0120.00516.34
7.4.110.0040.01516.37
7.4.100.0040.01316.39
7.4.90.0110.00916.46
7.4.80.0060.01416.39
7.4.70.0080.00816.49
7.4.60.0150.00016.61
7.4.50.0000.00516.30
7.4.40.0070.01016.50
7.4.30.0140.00416.28
7.4.10.0090.01014.83
7.4.00.0080.00814.66
7.3.330.0060.00012.97
7.3.320.0040.00813.04
7.3.310.0000.00716.02
7.3.300.0060.00016.14
7.3.290.0090.00716.15
7.3.280.0070.00816.12
7.3.270.0310.01617.40
7.3.260.0090.00915.99
7.3.250.0090.00816.10
7.3.240.0180.00416.21
7.3.230.0130.00316.39
7.3.210.0070.01316.49
7.3.200.0090.01319.39
7.3.190.0060.00916.41
7.3.180.0090.00616.50
7.3.170.0140.00316.27
7.3.160.0090.00916.19
7.3.130.0060.01114.75
7.3.120.0060.01214.68
7.3.110.0070.01214.70
7.3.100.0070.00614.57
7.3.90.0080.00714.61
7.3.80.0080.00614.68
7.3.70.0040.00714.61
7.3.60.0060.00614.55
7.3.50.0040.01014.58
7.3.40.0070.00514.60
7.3.30.0050.00914.56
7.3.20.0040.00916.45
7.3.10.0100.00416.43
7.3.00.0060.00916.43
7.2.330.0100.00716.36
7.2.320.0060.01116.39
7.2.310.0090.00916.17
7.2.300.0110.00616.31
7.2.290.0090.00916.20
7.2.260.0060.01214.92
7.2.250.0040.01314.77
7.2.240.0050.00914.91
7.2.230.0050.00914.83
7.2.220.0080.00714.94
7.2.210.0050.00814.75
7.2.200.0030.01014.90
7.2.190.0050.00814.77
7.2.180.0050.00914.77
7.2.170.0050.00614.81
7.2.160.0080.00714.65
7.2.150.0040.00916.61
7.2.140.0060.00816.70
7.2.130.0050.00916.75
7.2.120.0050.01016.55
7.2.110.0030.00916.54
7.2.100.0060.01016.65
7.2.90.0050.01016.65
7.2.80.0080.00716.79
7.2.70.0050.00916.74
7.2.60.0060.00716.63
7.2.50.0040.00816.68
7.2.40.0080.00616.69
7.2.30.0050.00916.77
7.2.20.0050.00816.67
7.2.10.0060.00716.66
7.2.00.0060.00916.98
7.1.330.0070.00715.73
7.1.320.0040.01115.73
7.1.310.0060.00615.70
7.1.300.0050.00915.77
7.1.290.0040.00915.68
7.1.280.0060.00715.64
7.1.270.0030.00915.66
7.1.260.0050.00815.68
7.1.250.0060.00615.71
7.1.240.0060.00715.74
7.1.230.0060.00715.57
7.1.220.0040.01015.51
7.1.210.0030.00915.62
7.1.200.0050.00815.73
7.1.190.0070.00615.69
7.1.180.0060.00615.69
7.1.170.0060.00615.77
7.1.160.0070.00615.66
7.1.150.0070.00315.71
7.1.140.0060.00515.65
7.1.130.0110.00115.59
7.1.120.0050.00715.57
7.1.110.0030.00915.69
7.1.100.0080.00716.22
7.1.90.0040.01015.75
7.1.80.0050.00715.71
7.1.70.0060.00716.04
7.1.60.0050.01016.45
7.1.50.0050.00815.85
7.1.40.0050.00515.61
7.1.30.0050.00815.50
7.1.20.0050.00815.43
7.1.10.0050.00915.58
7.1.00.0030.02316.98
7.0.330.0050.00815.24
7.0.320.0040.00615.34
7.0.310.0060.00715.27
7.0.300.0020.01015.31
7.0.290.0050.00715.23
7.0.280.0080.00315.27
7.0.270.0060.00715.19
7.0.260.0050.00715.34
7.0.250.0040.00815.30
7.0.240.0050.00715.24
7.0.230.0070.00615.20
7.0.220.0030.00915.25
7.0.210.0030.00915.26
7.0.200.0070.00615.30
7.0.190.0060.00615.24
7.0.180.0080.00615.26
7.0.170.0070.00515.41
7.0.160.0080.00715.22
7.0.150.0050.00815.33
7.0.140.0040.02116.60
7.0.130.0040.00515.38
7.0.120.0080.00415.21
7.0.110.0050.00615.33
7.0.100.0060.02016.16
7.0.90.0050.02416.17
7.0.80.0040.02216.23
7.0.70.0050.01716.34
7.0.60.0070.02116.35
7.0.50.0170.02016.22
7.0.40.0030.01814.75
7.0.30.0060.02014.80
7.0.20.0100.01614.71
7.0.10.0060.02114.75
7.0.00.0080.02114.71
5.6.400.0070.00614.18
5.6.390.0080.00514.26
5.6.380.0050.00514.37
5.6.370.0040.00914.38
5.6.360.0060.00814.18
5.6.350.0060.00514.16
5.6.340.0050.00914.16
5.6.330.0070.00614.28
5.6.320.0040.01014.35
5.6.310.0050.00714.18
5.6.300.0050.01014.28
5.6.290.0050.01014.20
5.6.280.0050.02015.47
5.6.270.0030.01014.07
5.6.260.0010.01114.14
5.6.250.0070.02015.55
5.6.240.0050.01515.67
5.6.230.0080.01915.44
5.6.220.0060.01315.46
5.6.210.0070.02015.44
5.6.200.0050.02215.41
5.6.190.0060.02215.59
5.6.180.0050.02415.49
5.6.170.0070.02415.54
5.6.160.0080.02115.42
5.6.150.0090.01915.50
5.6.140.0060.02215.59
5.6.130.0060.02115.63
5.6.120.0040.02315.53
5.6.110.0070.02115.57
5.6.100.0080.02015.59
5.6.90.0070.02315.47
5.6.80.0030.02515.37
5.6.70.0070.02015.32
5.6.60.0100.01915.28
5.6.50.0060.02115.30
5.6.40.0060.01715.30
5.6.30.0060.02115.34
5.6.20.0060.01915.32
5.6.10.0060.01815.34
5.6.00.0060.02115.31
5.5.380.0070.02115.36
5.5.370.0060.02015.42
5.5.360.0050.02315.44
5.5.350.0080.02115.33
5.5.340.0070.02015.49
5.5.330.0060.02115.55
5.5.320.0060.02315.40
5.5.310.0080.02115.42
5.5.300.0050.02115.48
5.5.290.0060.02215.48
5.5.280.0050.02115.43
5.5.270.0100.01815.56
5.5.260.0070.01615.51
5.5.250.0060.02115.27
5.5.240.0050.02215.32
5.5.230.0050.02315.31
5.5.220.0070.01315.28
5.5.210.0060.02015.29
5.5.200.0060.02115.21
5.5.190.0060.02015.23
5.5.180.0070.02015.15
5.5.170.0040.01114.01
5.5.160.0100.01215.29
5.5.150.0060.02015.33
5.5.140.0060.02015.32
5.5.130.0070.01815.27
5.5.120.0040.01815.33
5.5.110.0080.02115.23
5.5.100.0050.02115.19
5.5.90.0060.02115.29
5.5.80.0060.02015.26
5.5.70.0070.02115.18
5.5.60.0080.01615.12
5.5.50.0100.01815.12
5.5.40.0060.02215.23
5.5.30.0070.02315.20
5.5.20.0020.02215.23
5.5.10.0060.02115.15
5.5.00.0060.02215.14
5.4.450.0050.02112.63
5.4.440.0050.02112.72
5.4.430.0060.01312.48
5.4.420.0050.02012.59
5.4.410.0040.02212.66
5.4.400.0060.01812.49
5.4.390.0030.01712.43
5.4.380.0060.01712.48
5.4.370.0060.01212.56
5.4.360.0040.02112.50
5.4.350.0050.02112.40
5.4.340.0040.02012.46
5.4.330.0050.00510.88
5.4.320.0080.01812.54
5.4.310.0080.01812.47
5.4.300.0050.01912.53
5.4.290.0050.01912.48
5.4.280.0030.02012.52
5.4.270.0040.02012.45
5.4.260.0050.01612.35
5.4.250.0030.02312.51
5.4.240.0070.01712.51
5.4.230.0060.01812.46
5.4.220.0050.02012.38
5.4.210.0040.02112.46
5.4.200.0040.01912.49
5.4.190.0050.02012.57
5.4.180.0030.01612.32
5.4.170.0060.01812.51
5.4.160.0020.02212.46
5.4.150.0040.01912.36
5.4.140.0040.02011.77
5.4.130.0020.02111.89
5.4.120.0030.01411.83
5.4.110.0110.01212.05
5.4.100.0040.01811.87
5.4.90.0030.01911.98
5.4.80.0060.01711.88
5.4.70.0070.01811.97
5.4.60.0010.02211.93
5.4.50.0050.01911.96
5.4.40.0080.01411.92
5.4.30.0060.01511.94
5.4.20.0040.01611.90
5.4.10.0040.01911.91
5.4.00.0050.01711.88
5.3.290.0030.05014.66
5.3.280.0130.05714.45
5.3.270.0030.07714.46
5.3.260.0100.07314.57
5.3.250.0100.06714.59
5.3.240.0030.08014.47
5.3.230.0070.07314.58
5.3.220.0070.08014.42
5.3.210.0030.07714.51
5.3.200.0130.06714.50
5.3.190.0030.07714.54
5.3.180.0070.06714.42
5.3.170.0030.07714.55
5.3.160.0070.06714.57
5.3.150.0070.05714.43
5.3.140.0100.07314.41
5.3.130.0070.07014.55
5.3.120.0000.05014.53
5.3.110.0100.07314.38
5.3.100.0200.05713.90
5.3.90.0100.07314.02
5.3.80.0070.07314.02
5.3.70.0130.06313.87
5.3.60.0030.06313.91
5.3.50.0070.05013.93
5.3.40.0030.07313.93
5.3.30.0100.06713.90
5.3.20.0000.07713.68
5.3.10.0030.07713.64
5.3.00.0030.07713.64
5.2.170.0030.03711.11
5.2.160.0070.06011.16
5.2.150.0070.03711.13
5.2.140.0030.06011.09
5.2.130.0070.05011.10
5.2.120.0070.05711.02
5.2.110.0000.05011.04
5.2.100.0000.06711.02
5.2.90.0070.05711.10
5.2.80.0000.04310.95
5.2.70.0030.06311.09
5.2.60.0030.06311.11
5.2.50.0000.06711.06
5.2.40.0100.05310.96
5.2.30.0070.03711.00
5.2.20.0100.05710.88
5.2.10.0070.05310.90
5.2.00.0130.05010.76
5.1.60.0030.05310.16
5.1.50.0100.05310.16
5.1.40.0000.05310.16
5.1.30.0070.04710.34
5.1.20.0100.05010.29
5.1.10.0030.03710.16
5.1.00.0030.04710.16
5.0.50.0100.04010.16
5.0.40.0030.04010.16
5.0.30.0070.06010.16
5.0.20.0030.04010.16
5.0.10.0070.04310.16
5.0.00.0030.05010.16
4.4.90.0000.03310.16
4.4.80.0000.03710.16
4.4.70.0030.03010.16
4.4.60.0070.03310.16
4.4.50.0030.02310.16
4.4.40.0000.05310.16
4.4.30.0030.03010.16
4.4.20.0070.02710.16
4.4.10.0000.03710.16
4.4.00.0070.04710.16
4.3.110.0030.03310.16
4.3.100.0000.03710.16
4.3.90.0030.03310.16
4.3.80.0000.05310.16
4.3.70.0000.02010.16
4.3.60.0070.01310.16
4.3.50.0070.03010.16
4.3.40.0070.02310.16
4.3.30.0000.03710.16
4.3.20.0070.03310.16
4.3.10.0000.03310.16
4.3.00.0000.03310.16

preferences:
48.2 ms | 401 KiB | 5 Q