3v4l.org

run code in 300+ PHP versions simultaneously
<?php class FalseObject { public function __toString() { // return an empty string that in PHP evaluates to false return ''; } } $false = new FalseObject(); if ( $false ) { print $false . ' is false.'; } else { print $false . ' is true.'; } print '<br />'; if ( !$false ) { print $false . ' is really true.'; } else { print $false . ' is really false.'; }

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)
8.3.60.0110.00718.18
8.3.50.0090.01117.28
8.3.40.0060.01218.79
8.3.30.0090.00618.54
8.3.20.0050.00318.78
8.3.10.0050.00320.54
8.3.00.0060.00617.50
8.2.180.0120.00616.38
8.2.170.0070.00722.96
8.2.160.0130.00022.12
8.2.150.0060.00324.18
8.2.140.0060.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00419.95
8.2.110.0060.00320.79
8.2.100.0030.00817.89
8.2.90.0040.00419.25
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0000.00918.05
8.2.50.0040.00418.07
8.2.40.0000.00718.34
8.2.30.0040.00417.98
8.2.20.0040.00417.64
8.2.10.0040.00417.61
8.2.00.0020.00517.57
8.1.280.0030.01425.92
8.1.270.0030.00524.66
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0070.00320.74
8.1.230.0030.00720.86
8.1.220.0000.00718.77
8.1.210.0040.00418.98
8.1.200.0100.00017.35
8.1.190.0000.00817.30
8.1.180.0050.00318.10
8.1.170.0000.00918.92
8.1.160.0050.00318.95
8.1.150.0000.00718.70
8.1.140.0040.00417.41
8.1.130.0030.00317.84
8.1.120.0020.00517.51
8.1.110.0080.00017.36
8.1.100.0070.00017.49
8.1.90.0020.00517.45
8.1.80.0000.00717.46
8.1.70.0080.00017.48
8.1.60.0040.00417.51
8.1.50.0060.00317.39
8.1.40.0040.00417.41
8.1.30.0050.00217.66
8.1.20.0060.00317.51
8.1.10.0030.00617.56
8.1.00.0040.00417.51
8.0.300.0070.00020.03
8.0.290.0040.00416.75
8.0.280.0030.00318.44
8.0.270.0040.00417.17
8.0.260.0030.00318.50
8.0.250.0000.00716.86
8.0.240.0030.00617.02
8.0.230.0050.00216.97
8.0.220.0070.00016.94
8.0.210.0030.00316.88
8.0.200.0030.00316.95
8.0.190.0050.00316.84
8.0.180.0040.00416.77
8.0.170.0030.00616.91
8.0.160.0040.00416.78
8.0.150.0040.00416.82
8.0.140.0070.00416.82
8.0.130.0000.00513.36
8.0.120.0000.00816.85
8.0.110.0000.00816.87
8.0.100.0000.00716.85
8.0.90.0030.00516.96
8.0.80.0060.00916.93
8.0.70.0030.00616.75
8.0.60.0070.00016.91
8.0.50.0000.00716.67
8.0.30.0090.01017.06
8.0.20.0140.00416.90
8.0.10.0000.00717.12
8.0.00.0090.01116.85
7.4.330.0050.00012.97
7.4.320.0000.00616.61
7.4.300.0070.00016.61
7.4.290.0070.00016.59
7.4.280.0050.00516.62
7.4.270.0030.00316.50
7.4.260.0050.00013.34
7.4.250.0040.00416.64
7.4.240.0030.00316.50
7.4.230.0000.00716.70
7.4.220.0100.00716.64
7.4.210.0060.00816.53
7.4.200.0040.00416.40
7.4.190.0030.00316.60
7.4.160.0130.01016.73
7.4.150.0100.00716.60
7.4.140.0060.01116.46
7.4.130.0110.01116.48
7.4.120.0100.00716.57
7.4.110.0120.01216.36
7.4.100.0140.00716.39
7.4.90.0030.01516.34
7.4.80.0070.01016.36
7.4.70.0120.00616.51
7.4.60.0080.00816.45
7.4.50.0080.00016.43
7.4.40.0100.00316.38
7.4.30.0140.00416.48
7.4.00.0050.01115.04
7.3.330.0060.00013.12
7.3.320.0000.00613.14
7.3.310.0000.00716.15
7.3.300.0000.00716.18
7.3.290.0060.01316.34
7.3.280.0090.00716.24
7.3.270.0100.00616.59
7.3.260.0130.00516.49
7.3.250.0090.00916.48
7.3.240.0100.00716.26
7.3.230.0100.00716.40
7.3.210.0090.01216.51
7.3.200.0160.00319.39
7.3.190.0120.00916.36
7.3.180.0120.00316.48
7.3.170.0090.00616.38
7.3.160.0110.00716.39
7.3.120.0030.01414.81
7.3.110.0050.01015.05
7.3.100.0080.00814.63
7.3.90.0020.01414.86
7.3.80.0070.00514.71
7.3.70.0100.00314.66
7.3.60.0050.01014.79
7.3.50.0080.00414.83
7.3.40.0030.00914.81
7.3.30.0060.00614.79
7.3.20.0100.00516.50
7.3.10.0020.01016.64
7.3.00.0080.00616.55
7.2.330.0130.00316.49
7.2.320.0030.01916.71
7.2.310.0120.00916.66
7.2.300.0060.01516.49
7.2.290.0060.01616.50
7.2.250.0070.00915.02
7.2.240.0050.01515.05
7.2.230.0070.00714.90
7.2.220.0050.00614.94
7.2.210.0100.00315.20
7.2.200.0050.01115.04
7.2.190.0020.01215.14
7.2.180.0100.00314.97
7.2.170.0040.01015.12
7.2.60.0070.00716.88
7.2.50.0000.01016.83
7.1.330.0080.00615.79
7.1.320.0040.00915.67
7.1.310.0050.00915.84
7.1.300.0090.00515.64
7.1.290.0050.00715.80
7.1.280.0070.00515.61
7.1.270.0090.00615.69
7.1.260.0100.00315.79
7.1.200.0100.00315.91
7.1.70.0040.00417.04
7.1.60.0000.02319.40
7.1.50.0030.01716.96
7.1.00.0100.05722.40
7.0.200.0000.01416.90
7.0.140.0070.06322.07
7.0.120.0070.06322.12
7.0.60.0030.08319.85
7.0.50.0170.07317.84
7.0.40.0130.07317.76
7.0.30.0070.04317.79
7.0.20.0100.08017.76
7.0.10.0070.05017.80
7.0.00.0100.05017.72
5.6.210.0130.06320.66
5.6.200.0130.07718.23
5.6.190.0100.05018.19
5.6.180.0100.08018.21
5.6.170.0100.03718.15
5.6.160.0000.04718.14
5.6.150.0130.03318.25
5.6.140.0070.04318.11
5.6.130.0030.08318.21
5.6.120.0030.08718.17
5.6.110.0070.06018.11
5.6.100.0070.04018.22
5.6.90.0070.04018.10
5.6.80.0130.07017.57
5.6.70.0070.07317.53
5.6.60.0070.07317.66
5.6.50.0070.05317.62
5.6.40.0230.05717.54
5.6.30.0170.06717.52
5.6.20.0030.08317.62
5.6.10.0070.07017.60
5.6.00.0130.07017.49
5.5.350.0300.07720.39
5.5.340.0070.08018.01
5.5.330.0030.08317.98
5.5.320.0070.06017.95
5.5.310.0030.04717.98
5.5.300.0100.07017.94
5.5.290.0100.08317.95
5.5.280.0070.08017.93
5.5.270.0030.08018.01
5.5.260.0030.06717.93
5.5.250.0100.07717.84
5.5.240.0130.05317.43
5.5.230.0100.07317.46
5.5.220.0030.08317.36
5.5.210.0100.04017.36
5.5.200.0000.04317.31
5.5.190.0070.07717.32
5.5.180.0030.08017.34
5.5.160.0070.06317.42
5.5.150.0130.06017.33
5.5.140.0000.07717.32
5.5.130.0070.07317.30
5.5.120.0000.04317.30
5.5.110.0030.08317.32
5.5.100.0100.05717.34
5.5.90.0070.07717.26
5.5.80.0030.08017.17
5.5.70.0100.07717.31
5.5.60.0100.06317.19
5.5.50.0100.04317.23
5.5.40.0100.07017.27
5.5.30.0030.06717.22
5.5.20.0070.05717.25
5.5.10.0000.08717.28
5.5.00.0030.08317.23
5.4.450.0030.08319.38
5.4.440.0030.05019.60
5.4.430.0100.05319.33
5.4.420.0070.03719.38
5.4.410.0070.04019.29
5.4.400.0100.05019.04
5.4.390.0130.07019.01
5.4.380.0070.04318.88
5.4.370.0130.06719.09
5.4.360.0030.04719.28
5.4.350.0100.06019.05
5.4.340.0100.06318.95
5.4.320.0070.06319.06
5.4.310.0030.05718.98
5.4.300.0100.04018.89
5.4.290.0030.06719.05
5.4.280.0030.04319.09
5.4.270.0000.05319.05
5.4.260.0030.09019.27
5.4.250.0130.06718.98
5.4.240.0130.07319.05
5.4.230.0070.07319.04
5.4.220.0130.07019.26
5.4.210.0130.04719.06
5.4.200.0070.08019.05
5.4.190.0030.08019.04
5.4.180.0030.04718.97
5.4.170.0070.04019.02
5.4.160.0100.06319.10
5.4.150.0170.06019.01
5.4.140.0070.07016.40
5.4.130.0000.07016.39
5.4.120.0100.07316.29
5.4.110.0070.06716.40
5.4.100.0000.04316.40
5.4.90.0000.06016.41
5.4.80.0000.07716.33
5.4.70.0070.04016.30
5.4.60.0030.04016.45
5.4.50.0100.06316.57
5.4.40.0070.03716.26
5.4.30.0100.04016.31
5.4.20.0030.06716.40
5.4.10.0030.06016.32
5.4.00.0070.03715.98
5.3.290.0100.05314.66
5.3.280.0100.07314.61
5.3.270.0070.07714.67
5.3.260.0000.06314.64
5.3.250.0100.07314.67
5.3.240.0070.07714.60
5.3.230.0100.07314.66
5.3.220.0030.08014.64
5.3.210.0030.05714.61
5.3.200.0070.06014.61
5.3.190.0070.04314.61
5.3.180.0030.07014.56
5.3.170.0130.04314.52
5.3.160.0030.04014.60
5.3.150.0030.07714.59
5.3.140.0070.03714.41
5.3.130.0100.07714.54
5.3.120.0170.07014.58
5.3.110.0070.07714.54
5.3.100.0070.03713.99
5.3.90.0030.03714.05
5.3.80.0030.05314.04
5.3.70.0000.04014.02
5.3.60.0170.02713.84
5.3.50.0170.04313.94
5.3.40.0130.06713.84
5.3.30.0000.04013.76
5.3.20.0030.05013.58
5.3.10.0130.07013.68
5.3.00.0100.06313.66
5.2.170.0000.07011.14
5.2.160.0030.05711.11
5.2.150.0070.04711.03
5.2.140.0100.05711.21
5.2.130.0030.05011.14
5.2.120.0030.07010.99
5.2.110.0030.06011.14
5.2.100.0070.06011.14
5.2.90.0100.04711.16
5.2.80.0070.03311.06
5.2.70.0030.06011.19
5.2.60.0070.06311.12
5.2.50.0030.06711.02
5.2.40.0130.05311.05
5.2.30.0030.06710.86
5.2.20.0030.06311.17
5.2.10.0070.05310.86
5.2.00.0000.06310.67
5.1.60.0030.03310.07
5.1.50.0070.02310.05
5.1.40.0030.0409.97
5.1.30.0070.06010.28
5.1.20.0100.05010.56
5.1.10.0000.04310.14
5.1.00.0030.05710.14
5.0.50.0000.0508.51
5.0.40.0030.0338.45
5.0.30.0030.0478.16
5.0.20.0000.0408.11
5.0.10.0000.0438.14
5.0.00.0000.0508.12
4.4.90.0100.0207.75
4.4.80.0000.0377.75
4.4.70.0030.0337.75
4.4.60.0100.0307.75
4.4.50.0000.0407.75
4.4.40.0030.0577.75
4.4.30.0030.0337.75
4.4.20.0000.0377.75
4.4.10.0030.0277.75
4.4.00.0030.0437.75
4.3.110.0030.0307.75
4.3.100.0070.0177.75
4.3.90.0030.0307.75
4.3.80.0070.0507.75
4.3.70.0000.0407.75
4.3.60.0000.0307.75
4.3.50.0000.0277.75
4.3.40.0130.0407.75
4.3.30.0030.0377.75
4.3.20.0070.0277.75
4.3.10.0000.0407.75
4.3.00.0000.0237.75

preferences:
40.36 ms | 401 KiB | 5 Q