3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('052' => 'nanana'); $b = array('042' => 'wayne'); $c = array(42 => 'batman'); $d = array('0fail' => 'bruce'); var_dump(array_merge($a, $b)); var_dump(array_merge($a, $c)); var_dump(array_merge($a, $d));

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)
8.3.40.0060.00918.55
8.3.30.0070.00718.92
8.3.20.0050.00220.16
8.3.10.0000.00821.73
8.3.00.0040.00419.17
8.2.170.0150.00022.96
8.2.160.0150.00622.13
8.2.150.0150.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0080.00019.54
8.2.110.0060.00320.47
8.2.100.0080.00417.66
8.2.90.0040.00418.16
8.2.80.0000.00817.97
8.2.70.0030.00517.50
8.2.60.0050.00317.80
8.2.50.0030.00518.07
8.2.40.0050.00517.78
8.2.30.0000.00817.99
8.2.20.0000.00717.61
8.2.10.0040.00418.01
8.2.00.0000.00717.54
8.1.270.0000.00818.70
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0090.00022.13
8.1.230.0110.00021.03
8.1.220.0000.00817.74
8.1.210.0050.00318.91
8.1.200.0020.01017.35
8.1.190.0080.00017.11
8.1.180.0030.00618.10
8.1.170.0040.00418.61
8.1.160.0000.00821.94
8.1.150.0000.00718.74
8.1.140.0060.00319.04
8.1.130.0030.00317.77
8.1.120.0040.00317.28
8.1.110.0030.00517.34
8.1.100.0030.00417.25
8.1.90.0040.00417.34
8.1.80.0000.00717.39
8.1.70.0030.00317.23
8.1.60.0030.00617.45
8.1.50.0050.00317.39
8.1.40.0040.00417.36
8.1.30.0000.00817.61
8.1.20.0000.00817.52
8.1.10.0000.00817.36
8.1.00.0070.00017.34
8.0.300.0040.00420.13
8.0.290.0040.00416.63
8.0.280.0000.00718.28
8.0.270.0030.00317.18
8.0.260.0000.00717.17
8.0.250.0040.00216.76
8.0.240.0050.00316.92
8.0.230.0000.00716.78
8.0.220.0000.00716.70
8.0.210.0050.00316.73
8.0.200.0030.00316.92
8.0.190.0050.00316.79
8.0.180.0040.00416.74
8.0.170.0000.00816.84
8.0.160.0000.00716.69
8.0.150.0000.00716.80
8.0.140.0000.00716.75
8.0.130.0090.00013.22
8.0.120.0050.00316.74
8.0.110.0040.00416.72
8.0.100.0040.00416.77
8.0.90.0000.00716.86
8.0.80.0080.01316.88
8.0.70.0050.00316.86
8.0.60.0040.00416.86
8.0.50.0040.00416.71
8.0.30.0170.00816.98
8.0.20.0110.00917.40
8.0.10.0070.00016.79
8.0.00.0090.00816.65
7.4.330.0050.00015.03
7.4.320.0030.00316.50
7.4.300.0030.00316.53
7.4.290.0080.00016.53
7.4.280.0040.00416.57
7.4.270.0060.00016.45
7.4.260.0080.00316.48
7.4.250.0000.00816.44
7.4.240.0020.00516.46
7.4.230.0030.00316.36
7.4.220.0140.00416.38
7.4.210.0040.01116.57
7.4.200.0040.00416.48
7.4.160.0100.00716.51
7.4.150.0150.00617.40
7.4.140.0090.01217.86
7.4.130.0120.00816.36
7.4.120.0080.00916.43
7.4.110.0090.00916.43
7.4.100.0110.00716.32
7.4.90.0040.01316.39
7.4.80.0090.01219.39
7.4.70.0080.00816.42
7.4.60.0080.00816.45
7.4.50.0060.00016.22
7.4.40.0100.01316.22
7.4.30.0110.01116.35
7.4.00.0110.00615.05
7.3.330.0000.00513.12
7.3.320.0000.00513.08
7.3.310.0000.00716.00
7.3.300.0000.00716.12
7.3.290.0040.00916.17
7.3.280.0080.00816.12
7.3.270.0030.01617.40
7.3.260.0090.00916.36
7.3.250.0120.00516.42
7.3.240.0110.00516.42
7.3.230.0070.00416.39
7.3.210.0170.01716.43
7.3.200.0060.01619.39
7.3.190.0080.00816.25
7.3.180.0080.00816.47
7.3.170.0130.01016.27
7.3.160.0000.01616.11
7.3.120.0070.01014.62
7.3.110.0050.00914.65
7.3.100.0050.00814.70
7.3.90.0090.00714.76
7.3.80.0030.01214.62
7.3.70.0060.00814.55
7.3.60.0050.00714.82
7.3.50.0020.01014.70
7.3.40.0050.00714.67
7.3.30.0030.01214.57
7.3.20.0080.00516.54
7.3.10.0060.00816.39
7.3.00.0080.00516.44
7.2.330.0120.00616.38
7.2.320.0060.01516.51
7.2.310.0110.00716.44
7.2.300.0030.02016.48
7.2.290.0120.00616.55
7.2.250.0140.00414.32
7.2.240.0030.01214.66
7.2.230.0040.01014.89
7.2.220.0060.00714.54
7.2.210.0060.00514.82
7.2.200.0080.00514.83
7.2.190.0070.00614.71
7.2.180.0060.00814.78
7.2.170.0030.01214.80
7.2.160.0100.00514.76
7.2.150.0080.00816.63
7.2.140.0050.00916.71
7.2.130.0050.00916.57
7.2.120.0070.00416.69
7.2.110.0010.01316.65
7.2.100.0030.01016.73
7.2.90.0080.00816.48
7.2.80.0020.01216.70
7.2.70.0130.00116.65
7.2.60.0100.00516.64
7.2.50.0090.00716.53
7.2.40.0070.00716.67
7.2.30.0080.00616.79
7.2.20.0100.00516.71
7.2.10.0050.00816.78
7.2.00.0030.01017.54
7.1.330.0080.00715.61
7.1.320.0080.00615.63
7.1.310.0040.00915.51
7.1.300.0020.00815.70
7.1.290.0050.00915.64
7.1.280.0100.00415.56
7.1.270.0020.01215.74
7.1.260.0030.00915.79
7.1.250.0090.00515.67
7.1.240.0030.01015.66
7.1.230.0030.00615.75
7.1.220.0000.00915.52
7.1.210.0140.00015.67
7.1.200.0080.00615.79
7.1.190.0070.00715.84
7.1.180.0000.01315.73
7.1.170.0080.00615.72
7.1.160.0070.00315.58
7.1.150.0000.01215.45
7.1.140.0060.00315.65
7.1.130.0030.00615.62
7.1.120.0060.00615.56
7.1.110.0100.00315.89
7.1.100.0100.00516.80
7.1.90.0070.00715.77
7.1.80.0060.00615.70
7.1.70.0060.00516.38
7.1.60.0100.01017.65
7.1.50.0050.01316.31
7.1.40.0000.01415.40
7.1.30.0030.01015.42
7.1.20.0030.00915.76
7.1.10.0090.00015.82
7.1.00.0070.04019.08
7.0.330.0100.00615.30
7.0.320.0030.01115.47
7.0.310.0000.00815.36
7.0.300.0040.00815.23
7.0.290.0030.00615.31
7.0.280.0000.00815.18
7.0.270.0080.00615.24
7.0.260.0060.00615.14
7.0.250.0040.00415.61
7.0.240.0100.00315.56
7.0.230.0030.01015.45
7.0.220.0030.00615.13
7.0.210.0080.00815.10
7.0.200.0080.00715.09
7.0.190.0030.01415.23
7.0.180.0090.00315.52
7.0.170.0140.00015.43
7.0.160.0110.00415.51
7.0.150.0070.00715.31
7.0.140.0030.02518.63
7.0.130.0040.00415.38
7.0.120.0030.00915.52
7.0.110.0330.04117.67
7.0.100.0170.04217.63
7.0.90.0300.04017.61
7.0.80.0300.04217.69
7.0.70.0280.04517.71
7.0.60.0320.04517.64
7.0.50.0280.03217.80
7.0.40.0120.04217.08
7.0.30.0060.04117.19
7.0.20.0080.04817.22
7.0.10.0050.05017.19
7.0.00.0070.04217.22
5.6.400.0090.00014.20
5.6.390.0040.01514.20
5.6.380.0070.00714.20
5.6.370.0080.00314.45
5.6.360.0070.01114.31
5.6.350.0030.00714.20
5.6.340.0100.00314.25
5.6.330.0040.00414.58
5.6.320.0060.00614.20
5.6.310.0070.01014.20
5.6.300.0030.01314.35
5.6.290.0030.00914.20
5.6.280.0020.04317.70
5.6.270.0030.00714.27
5.6.260.0030.04617.44
5.6.250.0080.03617.43
5.6.240.0030.04517.38
5.6.230.0080.03817.43
5.6.220.0050.04017.41
5.6.210.0090.04217.40
5.6.200.0100.04017.59
5.6.190.0050.04717.68
5.6.180.0030.04717.65
5.6.170.0120.03917.74
5.6.160.0050.04417.73
5.6.150.0050.02517.56
5.6.140.0050.04117.74
5.6.130.0150.04017.67
5.6.120.0080.04517.67
5.6.110.0070.04517.57
5.6.100.0050.04317.68
5.6.90.0050.04317.66
5.6.80.0070.03117.36
5.6.70.0030.04517.48
5.6.60.0030.04117.33
5.6.50.0070.04417.53
5.6.40.0050.03717.32
5.6.30.0070.04217.32
5.6.20.0030.03717.33
5.6.10.0070.04217.27
5.6.00.0000.03817.33
5.5.380.0070.04217.29
5.5.370.0100.02217.30
5.5.360.0070.03917.37
5.5.350.0070.02817.32
5.5.340.0100.04017.51
5.5.330.0050.04317.58
5.5.320.0050.04717.59
5.5.310.0110.03817.54
5.5.300.0110.03817.57
5.5.290.0070.04217.56
5.5.280.0050.02317.56
5.5.270.0050.04217.52
5.5.260.0120.04017.44
5.5.250.0120.03517.49
5.5.240.0140.03717.26
5.5.230.0060.04117.17
5.5.220.0030.04317.12
5.5.210.0030.05017.22
5.5.200.0060.03917.29
5.5.190.0080.03817.12
5.5.180.0130.02317.26
5.5.170.0040.01114.20
5.5.160.0030.02317.17
5.5.150.0050.02117.15
5.5.140.0070.01917.28
5.5.130.0030.02417.15
5.5.120.0030.02717.22
5.5.110.0020.02517.17
5.5.100.0030.02717.21
5.5.90.0100.01717.16
5.5.80.0050.02317.22
5.5.70.0070.02217.22
5.5.60.0030.02717.11
5.5.50.0030.02817.09
5.5.40.0120.03517.20
5.5.30.0000.04517.21
5.5.20.0100.01717.14
5.5.10.0030.03717.19
5.5.00.0060.02117.14
5.4.450.0050.04516.80
5.4.440.0030.04516.88
5.4.430.0050.04216.76
5.4.420.0060.04016.82
5.4.410.0100.03716.69
5.4.400.0070.02216.64
5.4.390.0030.04616.60
5.4.380.0100.03716.66
5.4.370.0030.02616.62
5.4.360.0050.03416.56
5.4.350.0030.04616.73
5.4.340.0070.02116.60
5.4.330.0040.00714.20
5.4.320.0050.02016.73
5.4.310.0070.02216.73
5.4.300.0050.02216.56
5.4.290.0070.01816.59
5.4.280.0000.02616.56
5.4.270.0020.02216.63
5.4.260.0040.02416.57
5.4.250.0070.02116.66
5.4.240.0060.01916.57
5.4.230.0020.03116.65
5.4.220.0050.03816.66
5.4.210.0120.03016.58
5.4.200.0080.01816.68
5.4.190.0060.03616.60
5.4.180.0040.02916.61
5.4.170.0010.02516.58
5.4.160.0050.02416.72
5.4.150.0060.02316.67
5.4.140.0020.02515.21
5.4.130.0050.01915.36
5.4.120.0030.02115.33
5.4.110.0030.03615.19
5.4.100.0050.02015.30
5.4.90.0020.02415.34
5.4.80.0050.02215.35
5.4.70.0000.02315.35
5.4.60.0020.02415.25
5.4.50.0040.02115.15
5.4.40.0020.02715.36
5.4.30.0050.02115.22
5.4.20.0060.02515.20
5.4.10.0020.03515.26
5.4.00.0040.02214.95
5.3.290.0070.03314.76
5.3.280.0070.03014.52
5.3.270.0030.03714.43
5.3.260.0070.04714.61
5.3.250.0000.04014.54
5.3.240.0070.07314.48
5.3.230.0030.05014.43
5.3.220.0070.04314.45
5.3.210.0030.03714.36
5.3.200.0030.06014.58
5.3.190.0070.03314.43
5.3.180.0030.03714.42
5.3.170.0100.03014.35
5.3.160.0030.03714.62
5.3.150.0070.05314.50
5.3.140.0030.03714.34
5.3.130.0000.04014.49
5.3.120.0030.03714.37
5.3.110.0000.03714.55
5.3.100.0030.03313.98
5.3.90.0070.03313.96
5.3.80.0030.03713.90
5.3.70.0100.02713.95
5.3.60.0000.05013.83
5.3.50.0030.03314.00
5.3.40.0000.04314.04
5.3.30.0000.03713.96
5.3.20.0030.05313.61
5.3.10.0070.03013.71
5.3.00.0000.03713.65
5.2.170.0000.04312.43
5.2.160.0000.03012.43
5.2.150.0070.02312.43
5.2.140.0030.03012.43
5.2.130.0000.04012.43
5.2.120.0000.03312.43
5.2.110.0030.02712.43
5.2.100.0000.03012.43
5.2.90.0030.02712.43
5.2.80.0070.05712.43
5.2.70.0070.03012.43
5.2.60.0000.03312.43
5.2.50.0030.05012.43
5.2.40.0030.06312.43
5.2.30.0070.05312.43
5.2.20.0070.06012.43
5.2.10.0100.05712.43
5.2.00.0030.06012.43
5.1.60.0030.05312.43
5.1.50.0030.04012.43
5.1.40.0030.05312.43
5.1.30.0030.03712.43
5.1.20.0100.04312.43
5.1.10.0130.04312.43
5.1.00.0030.05312.43
5.0.50.0070.02712.43
5.0.40.0070.04312.43
5.0.30.0070.06712.43
5.0.20.0030.04712.43
5.0.10.0030.04312.43
5.0.00.0100.05312.43
4.4.90.0000.02012.43
4.4.80.0000.01312.43
4.4.70.0000.03312.43
4.4.60.0100.02712.43
4.4.50.0000.04012.43
4.4.40.0000.05712.43
4.4.30.0030.02012.43
4.4.20.0030.02712.43
4.4.10.0070.03312.43
4.4.00.0000.04712.43
4.3.110.0030.03312.43
4.3.100.0030.03312.43
4.3.90.0130.02312.43
4.3.80.0030.05012.43
4.3.70.0000.03312.43
4.3.60.0000.03012.43
4.3.50.0000.03312.43
4.3.40.0000.05012.43
4.3.30.0000.03312.43
4.3.20.0000.03712.43
4.3.10.0030.02312.43
4.3.00.0000.02012.43

preferences:
44.72 ms | 400 KiB | 5 Q