3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'Current PHP Version: ' . phpversion() . "\n\n"; $start1 = 1; $start0 = 0; $time_start = microtime(TRUE); for( $i = 0 ; $i < 8500000; $i++ ) { $answer = $start0 == 1; $answer = $start1 == 1; } $time_end = microtime(TRUE); echo 'Did COMPARISON in ' . ($time_end - $time_start) . " seconds\n"; $time_start = microtime(TRUE); for( $i = 0 ; $i < 8500000; $i++ ) { $answer = !empty($start0); $answer = !empty($start1); } $time_end = microtime(TRUE); echo 'Did NOT EMPTY in ' . ($time_end - $time_start) . " seconds\n"; $time_start = microtime(TRUE); for( $i = 0 ; $i < 8500000; $i++ ) { $answer = (bool)$start0; $answer = (bool)$start1; } $time_end = microtime(TRUE); echo 'Did TYPECAST BOOL in ' . ($time_end - $time_start) . " seconds\n"; $time_start = microtime(TRUE); for( $i = 0 ; $i < 8500000; $i++ ) { $answer = $start0 == TRUE; $answer = $start1 == TRUE; } $time_end = microtime(TRUE); echo 'Did EQUALS TRUE in ' . ($time_end - $time_start) . " seconds\n"; $time_start = microtime(TRUE); for( $i = 0 ; $i < 8500000; $i++ ) { $answer = !!$start0; $answer = !!$start1; } $time_end = microtime(TRUE); echo 'Did NOT NOT in ' . ($time_end - $time_start) . " seconds\n"; $time_start = microtime(TRUE); for( $i = 0 ; $i < 8500000; $i++ ) { $answer = is_null($start0); $answer = is_null($start1); } $time_end = microtime(TRUE); echo 'Did IS NULL in ' . ($time_end - $time_start) . " seconds\n";

Abusive script

This script was stopped while abusing our resources

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)
8.0.30.0331.08516.79
8.0.20.0101.14717.07
8.0.10.0261.36017.00
8.0.00.0261.10017.05
7.4.160.0361.49416.45
7.4.150.0291.47516.50
7.4.140.0331.48216.40
7.4.130.0491.49516.43
7.4.120.0331.63416.52
7.4.110.0391.46516.45
7.4.100.0301.57116.72
7.4.90.0301.61216.64
7.4.80.0301.65216.43
7.4.70.0231.56016.61
7.4.60.0231.60016.46
7.4.50.0171.54116.66
7.4.40.0331.59816.47
7.4.30.0231.77716.52
7.4.20.0201.53616.37
7.4.10.0431.56416.71
7.4.00.0301.72816.59
7.3.270.0231.86616.70
7.3.260.0331.90316.29
7.3.250.0231.92016.49
7.3.240.0301.89516.35
7.3.230.0231.95816.41
7.3.220.0331.93216.52
7.3.210.0231.98116.21
7.3.200.0201.97716.47
7.3.190.0401.95616.45
7.3.180.0441.90116.45
7.3.170.0131.92116.39
7.3.160.0231.97316.24
7.3.150.0331.97116.31
7.3.140.0341.93216.37
7.3.130.0261.93416.23
7.3.120.0261.96216.34
7.3.110.0331.94516.45
7.3.100.0261.95416.60
7.3.90.0421.90516.45
7.3.80.0331.94916.29
7.3.70.0171.96816.41
7.3.60.0201.99316.18
7.3.50.0401.91916.52
7.3.40.0361.94416.15
7.3.30.0371.92316.57
7.3.20.0201.99516.54
7.3.10.0461.94116.53
7.3.00.0261.94916.35
7.2.340.0361.95316.61
7.2.330.0331.97816.68
7.2.320.0201.94716.68
7.2.310.0301.96016.59
7.2.300.0531.92316.26
7.2.290.1021.88016.54
7.2.280.0261.95316.38
7.2.270.0491.91316.44
7.2.260.0331.96216.60
7.2.250.0301.95316.74
7.2.240.0461.94516.63
7.2.230.0201.98916.78
7.2.220.0361.94316.65
7.2.210.0301.96516.71
7.2.200.0271.97916.50
7.2.190.0571.94916.57
7.2.180.0531.95816.62
7.2.170.0561.93816.69
7.2.160.0581.89416.50
7.2.150.0341.98216.60
7.2.140.0431.92916.71
7.2.130.0401.95616.56
7.2.120.0471.95416.54
7.2.110.0361.94316.63
7.2.100.0541.47316.61
7.2.90.0521.89816.64
7.2.80.0661.90916.62
7.2.70.0401.97516.55
7.2.60.0361.94316.56
7.2.50.0431.75316.65
7.2.40.0331.94816.77
7.2.30.0421.83916.66
7.1.330.0331.94915.69
7.1.320.0361.94715.60
7.1.310.0371.97215.66
7.1.300.0331.92815.63
7.1.290.0531.93115.64
7.1.280.0621.89415.40
7.1.270.0271.98315.61
7.1.260.0461.93715.57
7.1.250.0431.93715.53
7.1.240.0551.90115.50
7.1.230.0571.95815.40
7.1.220.0611.69015.64
7.1.210.0571.94915.50
7.1.200.0441.97215.60
7.1.190.0561.93115.54
7.1.180.0471.98715.53
7.1.170.0371.96815.45
7.1.160.0391.75415.37
7.1.150.0261.87115.50
7.0.330.0501.94815.26
7.0.320.0531.93915.25
7.0.310.0491.92715.47
7.0.300.0201.98915.23
7.0.290.0541.67715.21
5.6.400.0361.93715.85
5.6.390.0581.90515.81
5.6.380.0301.98216.05
5.6.370.0551.89315.60
5.6.360.0131.98415.98
5.6.350.0361.93815.80

preferences:
28.31 ms | 403 KiB | 5 Q