3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { $array = [ 'color' => 'blue', 'size' => 'medium', ]; // Using extract. extract($array); var_dump($color); // Not using extract. var_dump($array['color']); $color = $array['color']; var_dump($color); } function bar( $color, $size ) { // Using compact. $array = compact('color', 'size'); var_dump($array); // Not using compact. $array = [ 'color' => $color, 'size' => $size, ]; var_dump($array); $array = []; foreach (['color', 'size'] as $name) { if (isset($$name)) { $array[$name] = $$name; } } var_dump($array); } foo(); bar('blue', 'medium');

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)
8.4.120.0160.00520.55
8.4.110.0120.00722.63
8.4.100.0130.00817.72
8.4.90.0120.00818.93
8.4.80.0110.00820.70
8.4.70.0050.00317.93
8.4.60.0120.00718.68
8.4.50.0090.01318.90
8.4.40.0040.01517.67
8.4.30.0140.00718.69
8.4.20.0060.01318.07
8.4.10.0150.00319.72
8.3.250.0140.00418.72
8.3.240.0080.01116.39
8.3.230.0120.00816.59
8.3.220.0070.00617.10
8.3.210.0140.00416.62
8.3.200.0060.00216.52
8.3.190.0050.00217.31
8.3.180.0110.00716.59
8.3.170.0090.00918.88
8.3.160.0160.00320.09
8.3.150.0040.01416.66
8.3.140.0080.00020.47
8.3.130.0030.00618.47
8.3.120.0060.00920.60
8.3.110.0030.00620.94
8.3.100.0090.00024.06
8.3.90.0040.00426.77
8.3.80.0090.00018.31
8.3.70.0120.00416.75
8.3.60.0060.01018.26
8.3.50.0110.00416.69
8.3.40.0080.00619.95
8.3.30.0140.00021.86
8.3.20.0000.00724.18
8.3.10.0040.00424.66
8.3.00.0050.00928.09
8.2.290.0100.00520.54
8.2.280.0100.00618.18
8.2.270.0120.00317.07
8.2.260.0050.00318.31
8.2.250.0070.01118.23
8.2.240.0070.00417.03
8.2.230.0040.00422.58
8.2.220.0000.01037.54
8.2.210.0090.00926.77
8.2.200.0040.00416.38
8.2.190.0040.01118.54
8.2.180.0110.00718.18
8.2.170.0150.00019.08
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0070.00428.09
8.2.120.0000.01128.09
8.2.110.0090.00628.09
8.2.100.0090.00028.09
8.2.90.0000.01028.09
8.2.80.0000.00928.09
8.2.70.0100.00528.09
8.2.60.0080.00428.09
8.2.50.0110.00028.09
8.2.40.0090.00028.09
8.2.30.0040.00428.09
8.2.20.0060.00328.09
8.2.10.0080.00328.09
8.2.00.0050.00528.09
8.1.330.0110.00822.13
8.1.320.0050.00216.00
8.1.310.0030.00616.67
8.1.300.0110.00718.38
8.1.290.0070.00430.84
8.1.280.0120.00325.92
8.1.270.0080.00024.66
8.1.260.0050.00528.09
8.1.250.0060.00328.09
8.1.240.0080.00328.09
8.1.230.0090.00028.09
8.1.220.0060.00328.09
8.1.210.0040.00428.09
8.1.200.0120.00328.09
8.1.190.0100.00028.09
8.1.180.0060.00328.09
8.1.170.0080.00528.09
8.1.160.0000.01028.09
8.1.150.0050.00528.09
8.1.140.0070.00428.09
8.1.130.0090.00628.09
8.1.120.0070.00228.09
8.1.110.0100.00028.09
8.1.100.0040.00428.09
8.1.90.0080.00328.09
8.1.80.0060.00628.09
8.1.70.0000.00928.09
8.1.60.0170.00028.09
8.1.50.0120.00028.09
8.1.40.0030.00628.09
8.1.30.0070.00728.09
8.1.20.0070.00328.09
8.1.10.0150.00028.09
8.1.00.0070.00728.09
8.0.300.0030.00628.09
8.0.290.0040.00428.09
8.0.280.0040.00428.09
8.0.270.0060.00328.09
8.0.260.0050.00528.09
8.0.250.0000.00828.09
8.0.240.0100.00328.09
8.0.230.0040.00428.09
8.0.220.0040.00428.09
8.0.210.0040.00428.09
8.0.200.0040.00428.09
8.0.190.0090.00028.09
8.0.180.0040.00428.09
8.0.170.0080.00028.09
8.0.160.0040.00428.09
8.0.150.0000.00828.09
8.0.140.0100.00028.09
8.0.130.0080.00028.09
8.0.120.0030.00628.09
8.0.110.0040.00428.09
8.0.100.0080.00028.09
8.0.90.0040.00428.09
8.0.80.0040.00428.09
8.0.70.0040.00428.09
8.0.60.0140.00028.09
8.0.50.0140.00028.09
8.0.30.0040.00428.09
8.0.20.0090.00028.09
8.0.10.0000.00828.09
8.0.00.0000.01128.09
7.4.330.0080.00528.09
7.4.320.0130.00428.09
7.4.300.0170.00028.09
7.4.290.0170.00028.09
7.4.280.0110.00528.09
7.4.270.0110.00628.09
7.4.260.0100.00728.09
7.4.250.0110.00628.09
7.4.240.0140.00328.09
7.4.230.0160.00028.09
7.4.220.0160.00028.09
7.4.210.0120.00428.09
7.4.200.0160.00028.09
7.4.190.0170.00028.09
7.4.180.0110.00728.09
7.4.160.0140.00328.09
7.4.150.0130.00428.09
7.4.140.0130.00328.09
7.4.130.0160.00028.09
7.4.120.0160.00028.09
7.4.110.0130.00328.09
7.4.100.0130.00328.09
7.4.90.0130.00328.09
7.4.80.0100.00628.09
7.4.70.0080.00828.09
7.4.60.0110.00628.09
7.4.50.0120.00528.09
7.4.40.0130.00328.09
7.4.30.0130.00428.09
7.4.20.0130.00328.09
7.4.10.0130.00328.09
7.4.00.0050.01128.09
7.3.330.0110.00428.09
7.3.320.0110.00428.09
7.3.310.0170.00028.09
7.3.300.0140.00028.09
7.3.290.0080.00828.09
7.3.280.0160.00028.09
7.3.270.0090.00628.09
7.3.260.0120.00428.09
7.3.250.0100.00728.09
7.3.240.0130.00328.09
7.3.230.0120.00428.09
7.3.220.0150.00028.09
7.3.210.0160.00028.09
7.3.200.0150.00028.09
7.3.190.0160.00028.09
7.3.180.0100.00528.09
7.3.170.0110.00528.09
7.3.160.0130.00428.09
7.3.150.0130.00328.09
7.3.140.0180.00028.09
7.3.130.0140.00328.09
7.3.120.0100.00528.09
7.3.110.0110.00428.09
7.3.100.0080.00828.09
7.3.90.0130.00328.09
7.3.80.0150.00028.09
7.3.70.0120.00428.09
7.3.60.0000.01528.09
7.3.50.0150.00028.09
7.3.40.0110.00528.09
7.3.30.0120.00228.09
7.3.20.0120.00428.09
7.3.10.0130.00328.09
7.3.00.0110.00528.09
7.2.340.0120.00328.09
7.2.330.0120.00428.09
7.2.320.0160.00028.09
7.2.310.0100.00528.09
7.2.300.0100.00528.09
7.2.290.0110.00428.09
7.2.280.0130.00428.09
7.2.270.0120.00328.09
7.2.260.0160.00028.09
7.2.250.0150.00028.09
7.2.240.0160.00028.09
7.2.230.0130.00528.09
7.2.220.0160.00028.09
7.2.210.0040.01128.09
7.2.200.0150.00028.09
7.2.190.0120.00228.09
7.2.180.0160.00028.09
7.2.170.0110.00428.09
7.2.160.0100.00728.09
7.2.150.0150.00028.09
7.2.140.0140.00328.09
7.2.130.0140.00328.09
7.2.120.0160.00028.09
7.2.110.0090.00628.09
7.2.100.0050.01028.09
7.2.90.0160.00028.09
7.2.80.0160.00028.09
7.2.70.0140.00328.09
7.2.60.0120.00428.09
7.2.50.0100.00628.09
7.2.40.0160.00028.09
7.2.30.0130.00328.09
7.2.20.0170.00028.09
7.2.10.0080.00828.09
7.2.00.0130.00328.09
7.1.330.0090.00628.09
7.1.320.0070.00728.09
7.1.310.0150.00028.09
7.1.300.0140.00028.09
7.1.290.0060.00928.09
7.1.280.0120.00228.09
7.1.270.0070.00728.09
7.1.260.0110.00328.09
7.1.250.0140.00028.09
7.1.240.0150.00028.09
7.1.230.0090.00528.09
7.1.220.0070.00728.09
7.1.210.0120.00328.09
7.1.200.0080.00828.09
7.1.190.0160.00028.09
7.1.180.0050.00928.09
7.1.170.0150.00028.09
7.1.160.0070.00728.09
7.1.150.0120.00228.09
7.1.140.0110.00428.09
7.1.130.0070.00728.09
7.1.120.0140.00028.09
7.1.110.0080.00628.09
7.1.100.0100.00528.09
7.1.90.0100.00328.09
7.1.80.0000.01528.09
7.1.70.0130.00028.09
7.1.60.0120.00328.09
7.1.50.0050.00928.09
7.1.40.0100.00528.09
7.1.30.0150.00028.09
7.1.20.0160.00028.09
7.1.10.0120.00328.09
7.1.00.0070.00728.09
7.0.330.0150.00028.09
7.0.320.0150.00028.09
7.0.310.0100.00528.09
7.0.300.0130.00028.09
7.0.290.0130.00028.09
7.0.280.0140.00028.09
7.0.270.0120.00428.09
7.0.260.0140.00028.09
7.0.250.0130.00428.09
7.0.240.0100.00328.09
7.0.230.0080.00828.09
7.0.220.0140.00028.09
7.0.210.0110.00328.09
7.0.200.0070.00728.09
7.0.190.0130.00428.09
7.0.180.0120.00428.09
7.0.170.0130.00328.09
7.0.160.0080.00828.09
7.0.150.0090.00528.09
7.0.140.0100.00528.09
7.0.130.0100.00328.09
7.0.120.0130.00428.09
7.0.110.0120.00328.09
7.0.100.0160.00028.09
7.0.90.0160.00028.09
7.0.80.0100.00728.09
7.0.70.0140.00028.09
7.0.60.0140.00028.09
7.0.50.0000.01328.09
7.0.40.0140.00028.09
7.0.30.0070.00728.09
7.0.20.0140.00028.09
7.0.10.0120.00228.09
7.0.00.0100.00528.09
5.6.400.0070.00728.09
5.6.390.0160.00028.09
5.6.380.0120.00228.09
5.6.370.0100.00628.09
5.6.360.0130.00028.09
5.6.350.0160.00028.09
5.6.340.0090.00628.09
5.6.330.0050.00928.09
5.6.320.0100.00328.09
5.6.310.0110.00228.09
5.6.300.0090.00028.09
5.6.290.0040.00428.09
5.6.280.0050.00328.09
5.6.270.0050.00328.09
5.6.260.0060.00328.09
5.6.250.0080.00028.09
5.6.240.0050.00328.09
5.6.230.0080.00028.09
5.6.220.0030.00528.09
5.6.210.0080.00028.09
5.6.200.0130.00028.09
5.6.190.0030.00528.09
5.6.180.0040.00428.09
5.6.170.0040.00428.09
5.6.160.0080.00028.09
5.6.150.0080.00028.09
5.6.140.0040.00428.09
5.6.130.0050.00328.09
5.6.120.0080.00028.09
5.6.110.0080.00028.09
5.6.100.0000.00828.09
5.6.90.0000.00828.09
5.6.80.0040.00428.09
5.6.70.0080.00028.09
5.6.60.0030.00628.09
5.6.50.0050.00228.09
5.6.40.0050.00328.09
5.6.30.0000.00728.09
5.6.20.0080.00028.09
5.6.10.0030.00528.09
5.6.00.0040.00428.09
5.5.380.0120.00428.09
5.5.370.0150.00028.09
5.5.360.0120.00228.09
5.5.350.0140.00028.09
5.5.340.0100.00528.09
5.5.330.0110.00428.09
5.5.320.0140.00028.09
5.5.310.0120.00328.09
5.5.300.0070.00728.09
5.5.290.0150.00028.09
5.5.280.0050.00828.09
5.5.270.0090.00528.09
5.5.260.0100.00528.09
5.5.250.0140.00028.09
5.5.240.0140.00028.09
5.5.230.0130.00028.09
5.5.220.0050.00928.09
5.5.210.0090.00428.09
5.5.200.0110.00328.09
5.5.190.0110.00428.09
5.5.180.0110.00228.09
5.5.170.0140.00028.09
5.5.160.0110.00428.09
5.5.150.0120.00028.09
5.5.140.0100.00328.09
5.5.130.0130.00028.09
5.5.120.0070.00728.09
5.5.110.0090.00528.09
5.5.100.0040.00928.09
5.5.90.0140.00028.09
5.5.80.0040.00928.09
5.5.70.0140.00028.09
5.5.60.0090.00528.09
5.5.50.0140.00028.09
5.5.40.0140.00028.09
5.5.30.0100.00328.09
5.5.20.0100.00328.09
5.5.10.0100.00328.09
5.5.00.0140.00028.09
5.4.450.0090.00228.09
5.4.440.0070.00428.09
5.4.430.0090.00328.09
5.4.420.0090.00228.09
5.4.410.0110.00028.09
5.4.400.0050.00528.09
5.4.390.0000.01228.09
5.4.380.0100.00028.09
5.4.370.0040.00728.09
5.4.360.0050.00528.09
5.4.350.0110.00028.09
5.4.340.0100.00028.09
5.4.330.0000.01128.09
5.4.320.0120.00028.09
5.4.310.0050.00528.09
5.4.300.0070.00228.09
5.4.290.0100.00028.09
5.4.280.0040.00728.09
5.4.270.0030.00928.09
5.4.260.0050.00528.09
5.4.250.0060.00628.09
5.4.240.0120.00028.09
5.4.230.0000.01028.09
5.4.220.0110.00028.09
5.4.210.0050.00728.09
5.4.200.0090.00228.09
5.4.190.0110.00028.09
5.4.180.0120.00028.09
5.4.170.0100.00228.09
5.4.160.0060.00628.09
5.4.150.0100.00028.09
5.4.140.0100.00028.09
5.4.130.0100.00028.09
5.4.120.0050.00528.09
5.4.110.0080.00328.09
5.4.100.0090.00228.09
5.4.90.0100.00028.09
5.4.80.0050.00528.09
5.4.70.0100.00028.09
5.4.60.0110.00028.09
5.4.50.0090.00328.09
5.4.40.0070.00328.09
5.4.30.0100.00028.09
5.4.20.0050.00528.09
5.4.10.0080.00328.09
5.4.00.0050.00528.09
5.3.290.0070.00428.09
5.3.280.0070.00328.09
5.3.270.0070.00528.09
5.3.260.0110.00028.09
5.3.250.0080.00328.09
5.3.240.0070.00228.09
5.3.230.0120.00028.09
5.3.220.0110.00028.09
5.3.210.0100.00028.09
5.3.200.0090.00328.09
5.3.190.0120.00028.09
5.3.180.0050.00528.09
5.3.170.0050.00528.09
5.3.160.0070.00328.09
5.3.150.0030.00728.09
5.3.140.0100.00028.09
5.3.130.0110.00028.09
5.3.120.0090.00328.09
5.3.110.0060.00628.09
5.3.100.0110.00028.09
5.3.90.0110.00028.09
5.3.80.0080.00328.09
5.3.70.0100.00028.09
5.3.60.0080.00328.09
5.3.50.0100.00028.09
5.3.40.0100.00028.09
5.3.30.0100.00028.09
5.3.20.0050.00528.09
5.3.10.0080.00328.09
5.3.00.0050.00528.09
5.2.170.0080.00028.09
5.2.160.0080.00028.09
5.2.150.0040.00428.09
5.2.140.0000.00728.09
5.2.130.0070.00028.09
5.2.120.0040.00428.09
5.2.110.0030.00628.09
5.2.100.0090.00028.09
5.2.90.0070.00228.09
5.2.80.0040.00428.09
5.2.70.0000.00828.09
5.2.60.0050.00328.09
5.2.50.0080.00028.09
5.2.40.0080.00028.09
5.2.30.0080.00028.09
5.2.20.0040.00428.09
5.2.10.0050.00328.09
5.2.00.0050.00328.09
5.1.60.0000.00628.09
5.1.50.0070.00028.09
5.1.40.0050.00228.09
5.1.30.0080.00028.09
5.1.20.0060.00228.09
5.1.10.0000.00728.09
5.1.00.0000.00728.09
5.0.50.0030.00328.09
5.0.40.0060.00028.09
5.0.30.0040.00228.09
5.0.20.0060.00028.09
5.0.10.0030.00328.09
5.0.00.0030.00328.09
4.4.90.0030.00028.09
4.4.80.0000.00428.09
4.4.70.0050.00028.09
4.4.60.0030.00028.09
4.4.50.0040.00028.09
4.4.40.0000.00428.09
4.4.30.0000.00428.09
4.4.20.0040.00028.09
4.4.10.0040.00028.09
4.4.00.0040.00028.09
4.3.110.0040.00028.09
4.3.100.0040.00028.09
4.3.90.0040.00028.09
4.3.80.0000.00328.09
4.3.70.0000.00428.09
4.3.60.0040.00028.09
4.3.50.0000.00428.09
4.3.40.0050.00028.09
4.3.30.0000.00328.09
4.3.20.0000.00328.09
4.3.10.0000.00328.09
4.3.00.0030.00028.09

preferences:
32.9 ms | 403 KiB | 5 Q