3v4l.org

run code in 300+ PHP versions simultaneously
<?php function extend($base, $replacements) { $base = !is_array($base) ? array() : $base; $replacements = !is_array($replacements) ? array() : $replacements; $ret = array(); foreach ($base as $key => $val) { if (is_int($key)) { // value without key $ret[$val] = null; } else { $ret[$key] = $val; } } return array_replace_recursive($ret, $replacements); } var_dump(extend(array('foo' => 'bar'), array('bar' => 'baz'))); var_dump(extend(array('foo' => 'bar'), array('foo' => 'foo'))); var_dump(extend(array('bar' => 'baz'), array('bar' => 'bar'))); var_dump(extend(array('foo' => 'bar')), array()); var_dump(extend(array('bar' => 'baz')), array());

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)
8.3.40.0090.00618.82
8.3.30.0040.01518.85
8.3.20.0040.00420.16
8.3.10.0080.00020.59
8.3.00.0050.00321.89
8.2.170.0070.01022.96
8.2.160.0090.00622.11
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00321.04
8.2.120.0070.00026.35
8.2.110.0070.00320.81
8.2.100.0080.00417.93
8.2.90.0000.00819.17
8.2.80.0080.00017.97
8.2.70.0080.00517.50
8.2.60.0040.00418.03
8.2.50.0000.00818.09
8.2.40.0030.00522.27
8.2.30.0040.00419.46
8.2.20.0000.00917.88
8.2.10.0040.00418.21
8.2.00.0050.00217.98
8.1.270.0150.00421.89
8.1.260.0050.00328.09
8.1.250.0070.00028.09
8.1.240.0100.00019.46
8.1.230.0080.00317.77
8.1.220.0090.00017.78
8.1.210.0040.00418.77
8.1.200.0070.00317.22
8.1.190.0040.00417.36
8.1.180.0030.00618.10
8.1.170.0040.00418.45
8.1.160.0000.00720.76
8.1.150.0070.00020.66
8.1.140.0040.00419.60
8.1.130.0030.00317.71
8.1.120.0030.00317.43
8.1.110.0040.00417.43
8.1.100.0000.00817.49
8.1.90.0040.00417.51
8.1.80.0040.00417.46
8.1.70.0030.00517.41
8.1.60.0040.00417.59
8.1.50.0040.00417.55
8.1.40.0090.00017.50
8.1.30.0050.00317.57
8.1.20.0080.00017.43
8.1.10.0080.00017.56
8.1.00.0040.00417.54
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0040.00418.41
8.0.270.0000.00717.23
8.0.260.0040.00417.34
8.0.250.0030.00316.98
8.0.240.0030.00316.96
8.0.230.0000.00716.91
8.0.220.0040.00417.00
8.0.210.0000.00716.88
8.0.200.0000.00817.03
8.0.190.0040.00416.98
8.0.180.0070.00017.03
8.0.170.0040.00416.84
8.0.160.0000.00716.95
8.0.150.0000.00716.87
8.0.140.0000.00716.76
8.0.130.0060.00013.39
8.0.120.0040.00416.92
8.0.110.0040.00417.02
8.0.100.0040.00416.96
8.0.90.0040.00416.86
8.0.80.0120.00916.93
8.0.70.0040.00416.94
8.0.60.0050.00316.96
8.0.50.0000.00716.78
8.0.30.0120.00817.08
8.0.20.0070.01217.40
8.0.10.0040.00416.99
8.0.00.0050.01416.98
7.4.330.0050.00016.67
7.4.320.0000.00616.58
7.4.300.0030.00316.53
7.4.290.0060.00316.59
7.4.280.0000.00816.55
7.4.270.0040.00416.52
7.4.260.0040.00416.48
7.4.250.0070.00016.60
7.4.240.0000.00716.61
7.4.230.0030.00316.41
7.4.220.0070.01316.46
7.4.210.0070.00716.56
7.4.200.0040.00416.64
7.4.160.0060.01116.70
7.4.150.0150.00617.40
7.4.140.0070.01217.86
7.4.130.0070.01316.69
7.4.120.0140.00616.58
7.4.110.0100.00716.50
7.4.100.0140.00316.57
7.4.90.0090.00916.54
7.4.80.0080.00819.39
7.4.70.0110.00816.53
7.4.60.0060.01016.50
7.4.50.0030.01016.36
7.4.40.0130.01016.57
7.4.30.0090.00916.64
7.4.00.0130.00515.07
7.3.330.0030.00313.30
7.3.320.0000.00513.38
7.3.310.0070.00016.54
7.3.300.0060.00016.31
7.3.290.0040.01116.42
7.3.280.0110.00716.41
7.3.270.0070.01117.40
7.3.260.0070.01116.43
7.3.250.0090.00816.38
7.3.240.0130.00716.51
7.3.230.0060.01216.51
7.3.210.0130.00416.36
7.3.200.0080.00816.45
7.3.190.0140.00916.42
7.3.180.0040.01316.39
7.3.170.0080.01116.50
7.3.160.0030.01216.64
7.3.120.0110.00714.87
7.3.110.0110.00714.72
7.3.100.0030.01214.93
7.3.90.0070.01014.95
7.3.80.0030.00914.93
7.3.70.0070.01115.01
7.3.60.0040.01214.88
7.3.50.0090.00914.61
7.3.40.0090.00314.86
7.3.30.0060.00614.88
7.3.20.0030.00616.84
7.3.10.0020.01216.58
7.3.00.0080.00316.51
7.2.330.0060.01216.45
7.2.320.0100.01016.61
7.2.310.0030.01316.81
7.2.300.0100.00716.78
7.2.290.0080.00816.68
7.2.250.0070.01315.02
7.2.240.0100.01015.05
7.2.230.0030.01015.07
7.2.220.0000.01915.09
7.2.210.0080.01114.68
7.2.200.0060.00914.71
7.2.190.0100.00715.00
7.2.180.0040.00815.22
7.2.170.0080.00814.79
7.2.130.0030.01016.38
7.2.120.0070.00717.00
7.2.110.0210.00316.68
7.2.100.0070.01016.83
7.2.90.0000.01416.86
7.2.80.0000.01916.70
7.2.70.0120.00916.74
7.2.60.0030.01216.91
7.2.50.0060.00316.78
7.2.40.0060.00916.95
7.2.30.0140.00316.78
7.2.20.0030.00617.13
7.2.10.0060.00916.99
7.2.00.0060.00318.17
7.1.330.0110.00415.94
7.1.320.0100.00715.82
7.1.310.0130.00315.79
7.1.300.0170.00015.77
7.1.290.0040.00815.89
7.1.280.0000.01015.96
7.1.270.0070.00715.82
7.1.260.0060.00616.01
7.1.250.0050.00315.99
7.1.200.0000.01315.88
7.1.100.0040.00718.30
7.1.70.0040.00717.27
7.1.60.0160.00919.19
7.1.50.0120.00917.14
7.1.00.0070.07322.51
7.0.200.0140.00014.76
7.0.60.0230.04020.01
7.0.50.0030.08317.87
7.0.40.0070.06020.13
7.0.30.0200.04020.18
7.0.20.0370.06320.26
7.0.10.0200.04020.19
7.0.00.0070.08320.19
5.6.280.0070.03021.12
5.6.210.0130.03320.75
5.6.200.0000.06318.25
5.6.190.0030.05020.61
5.6.180.0330.06020.50
5.6.170.0370.05720.55
5.6.160.0070.08320.52
5.6.150.0100.07018.16
5.6.140.0070.08018.17
5.6.130.0070.05318.18
5.6.120.0070.06021.04
5.6.110.0100.08021.12
5.6.100.0000.04720.99
5.6.90.0000.04321.01
5.6.80.0000.04720.39
5.5.350.0170.03320.38
5.5.340.0070.06718.04
5.5.330.0070.08320.42
5.5.320.0200.04020.22
5.5.310.0300.04320.35
5.5.300.0030.07317.95
5.5.290.0070.07317.94
5.5.280.0070.08320.77
5.5.270.0330.07020.67
5.5.260.0100.03320.76
5.5.250.0100.06320.70
5.5.240.0070.08020.19

preferences:
50.54 ms | 400 KiB | 5 Q