3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Abc { public $a = 1; protected $b = 2; private $c = 3; } $resource = tmpfile(); var_dump((bool) null); var_dump((bool) false); var_dump((bool) true); var_dump((bool) 123); var_dump((bool) 123.456); var_dump((bool) ''); var_dump((bool) '123'); var_dump((bool) '123abc'); var_dump((bool) 'abc123'); var_dump((bool) array()); var_dump((bool) array(null)); var_dump((bool) array(123)); var_dump((bool) array(1, 2, 3)); var_dump((bool) new StdClass()); var_dump((bool) new Abc()); var_dump((bool) $resource); var_dump((int) null); var_dump((int) false); var_dump((int) true); var_dump((int) 123); var_dump((int) 123.456); var_dump((int) ''); var_dump((int) '123'); var_dump((int) '123abc'); var_dump((int) 'abc123'); var_dump((int) array()); var_dump((int) array(null)); var_dump((int) array(123)); var_dump((int) array(1, 2, 3)); var_dump((int) new StdClass()); var_dump((int) new Abc()); var_dump((int) $resource); var_dump((float) null); var_dump((float) false); var_dump((float) true); var_dump((float) 123); var_dump((float) 123.456); var_dump((float) ''); var_dump((float) '123'); var_dump((float) '123abc'); var_dump((float) 'abc123'); var_dump((float) array()); var_dump((float) array(null)); var_dump((float) array(123)); var_dump((float) array(1, 2, 3)); var_dump((float) new StdClass()); var_dump((float) new Abc()); var_dump((float) $resource); var_dump((string) null); var_dump((string) false); var_dump((string) true); var_dump((string) 123); var_dump((string) 123.456); var_dump((string) ''); var_dump((string) '123'); var_dump((string) '123abc'); var_dump((string) 'abc123'); var_dump((string) array()); var_dump((string) array(null)); var_dump((string) array(123)); var_dump((string) array(1, 2, 3)); var_dump((string) new StdClass()); var_dump((string) new Abc()); var_dump((string) $resource); var_dump((array) null); var_dump((array) false); var_dump((array) true); var_dump((array) 123); var_dump((array) 123.456); var_dump((array) ''); var_dump((array) '123'); var_dump((array) '123abc'); var_dump((array) 'abc123'); var_dump((array) array()); var_dump((array) array(null)); var_dump((array) array(123)); var_dump((array) array(1, 2, 3)); var_dump((array) new StdClass()); var_dump((array) new Abc()); var_dump((array) $resource); var_dump((object) null); var_dump((object) false); var_dump((object) true); var_dump((object) 123); var_dump((object) 123.456); var_dump((object) ''); var_dump((object) '123'); var_dump((object) '123abc'); var_dump((object) 'abc123'); var_dump((object) array()); var_dump((object) array(null)); var_dump((object) array(123)); var_dump((object) array(1, 2, 3)); var_dump((object) new StdClass()); var_dump((object) new Abc()); var_dump((object) $resource);

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)
8.3.60.0150.00018.68
8.3.50.0120.01021.27
8.3.40.0110.00418.87
8.3.30.0070.00719.22
8.3.20.0030.00620.47
8.3.10.0030.00523.73
8.3.00.0040.00419.49
8.2.180.0160.00016.88
8.2.170.0150.00022.96
8.2.160.0160.00620.49
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00022.09
8.2.110.0060.00320.66
8.2.100.0080.00317.97
8.2.90.0050.00318.28
8.2.80.0040.00417.97
8.2.70.0070.00617.75
8.2.60.0040.00818.16
8.2.50.0040.00818.07
8.2.40.0050.00319.94
8.2.30.0030.00818.14
8.2.20.0000.00817.81
8.2.10.0000.00818.22
8.2.00.0000.00817.80
8.1.280.0220.00325.92
8.1.270.0100.00022.04
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0090.00022.23
8.1.230.0080.00421.16
8.1.220.0000.00817.91
8.1.210.0030.00519.16
8.1.200.0060.00317.47
8.1.190.0000.00817.50
8.1.180.0040.00418.10
8.1.170.0040.00418.72
8.1.160.0040.00422.08
8.1.150.0000.00818.88
8.1.140.0050.00217.61
8.1.130.0040.00417.88
8.1.120.0020.00517.51
8.1.110.0050.00217.58
8.1.100.0080.00017.46
8.1.90.0050.00217.52
8.1.80.0000.00717.58
8.1.70.0030.00317.50
8.1.60.0080.00017.55
8.1.50.0040.00417.66
8.1.40.0050.00317.61
8.1.30.0060.00317.76
8.1.20.0040.00417.75
8.1.10.0030.00617.54
8.1.00.0040.00417.63
8.0.300.0060.00320.29
8.0.290.0040.00416.88
8.0.280.0070.00018.57
8.0.270.0070.00017.41
8.0.260.0070.00017.38
8.0.250.0050.00217.13
8.0.240.0080.00017.17
8.0.230.0000.00717.17
8.0.220.0000.00717.09
8.0.210.0000.00717.07
8.0.200.0070.00017.08
8.0.190.0000.00817.12
8.0.180.0070.00017.11
8.0.170.0000.00817.07
8.0.160.0030.00517.05
8.0.150.0040.00416.97
8.0.140.0040.00417.06
8.0.130.0060.00013.58
8.0.120.0050.00317.06
8.0.110.0030.00517.02
8.0.100.0040.00416.95
8.0.90.0030.00617.03
8.0.80.0030.01417.09
8.0.70.0070.00016.95
8.0.60.0000.00716.98
8.0.50.0030.00517.00
8.0.30.0110.01217.24
8.0.20.0090.01217.40
8.0.10.0000.00717.07
8.0.00.0110.01016.92
7.4.330.0030.00315.02
7.4.320.0030.00316.71
7.4.300.0040.00416.66
7.4.290.0000.00716.55
7.4.280.0060.00316.55
7.4.270.0030.00316.72
7.4.260.0030.00516.71
7.4.250.0040.00416.62
7.4.240.0020.00516.63
7.4.230.0000.00716.79
7.4.220.0100.00916.64
7.4.210.0080.01216.64
7.4.200.0030.00316.55
7.4.160.0190.00316.67
7.4.150.0070.01617.40
7.4.140.0130.00817.86
7.4.130.0100.01216.62
7.4.120.0110.00816.48
7.4.110.0120.01216.79
7.4.100.0100.01016.59
7.4.90.0130.00516.68
7.4.80.0080.00819.39
7.4.70.0220.00316.57
7.4.60.0110.00816.63
7.4.50.0000.00816.79
7.4.40.0120.00616.44
7.4.30.0040.01916.60
7.4.00.0100.00615.32
7.3.330.0030.00313.29
7.3.320.0060.00013.35
7.3.310.0040.00416.54
7.3.300.0040.00416.52
7.3.290.0050.01116.46
7.3.280.0090.00816.51
7.3.270.0080.01217.40
7.3.260.0140.00316.70
7.3.250.0130.00916.63
7.3.240.0120.00816.48
7.3.230.0060.01316.47
7.3.210.0200.00316.59
7.3.200.0130.01019.39
7.3.190.0030.02216.72
7.3.180.0000.01716.53
7.3.170.0140.00316.71
7.3.160.0110.00616.50
7.3.120.0090.00616.90
7.3.110.0070.01116.90
7.3.100.0050.00516.90
7.3.90.0060.00816.90
7.3.80.0060.00916.90
7.3.70.0090.00916.90
7.3.60.0000.01216.90
7.3.50.0100.00716.90
7.3.40.0130.00316.90
7.3.30.0120.00316.90
7.3.20.0030.00616.90
7.3.10.0050.01116.80
7.3.00.0060.00616.83
7.2.330.0140.01016.60
7.2.320.0090.00916.40
7.2.310.0160.00316.75
7.2.300.0180.00616.79
7.2.290.0070.01116.66
7.2.240.0130.00316.90
7.2.230.0070.00716.90
7.2.220.0000.01916.90
7.2.210.0040.01116.90
7.2.200.0040.01216.90
7.2.190.0040.01216.90
7.2.180.0000.01816.90
7.2.170.0000.01516.90
7.2.160.0130.00316.90
7.2.150.0090.00616.90
7.2.140.0070.01116.90
7.2.130.0060.00716.88
7.2.120.0000.01316.71
7.2.110.0030.01016.80
7.2.100.0060.00916.72
7.2.90.0110.00616.89
7.2.80.0050.01216.64
7.2.70.0000.01416.84
7.2.60.0080.00416.88
7.2.50.0060.00916.77
7.2.40.0080.00816.90
7.2.30.0050.00916.67
7.2.20.0040.01016.88
7.2.10.0050.01016.99
7.2.00.0030.01017.66
7.1.330.0110.00716.90
7.1.320.0060.00916.90
7.1.310.0000.01416.90
7.1.300.0070.01116.90
7.1.290.0000.01716.90
7.1.280.0000.01616.90
7.1.270.0060.00916.90
7.1.260.0030.01316.90
7.1.250.0030.00916.29
7.1.200.0060.00915.74
7.1.100.0030.01018.09
7.1.70.0000.01017.05
7.1.60.0100.01619.32
7.1.50.0060.02534.96
7.1.00.0070.07022.35
7.0.200.0000.01116.75
7.0.140.0030.07722.21
7.0.100.0070.04320.15
7.0.90.0030.04720.09
7.0.80.0200.07320.00
7.0.70.0170.08720.07
7.0.60.0200.07320.08
7.0.50.0170.08020.38
7.0.40.0030.05320.03
7.0.30.0030.08720.09
7.0.20.0100.07719.96
7.0.10.0070.08319.91
7.0.00.0130.06020.09
5.6.280.0100.07020.91
5.6.250.0000.04320.77
5.6.240.0070.04020.64
5.6.230.0100.03720.68
5.6.220.0100.07720.50
5.6.210.0170.07720.74
5.6.200.0170.07321.09
5.6.190.0100.07021.13
5.6.180.0130.07721.14
5.6.170.0100.08021.13
5.6.160.0070.08021.12
5.6.150.0170.04721.15
5.6.140.0070.07021.00
5.6.130.0170.07721.05
5.6.120.0170.07720.99
5.6.110.0070.08721.05
5.6.100.0130.07021.07
5.6.90.0070.08321.06
5.6.80.0100.07020.38
5.6.70.0070.08020.43
5.6.60.0030.07020.43
5.6.50.0130.07720.48
5.6.40.0100.07020.47
5.6.30.0100.07320.50
5.6.20.0130.04720.44
5.6.10.0070.08020.47
5.6.00.0070.08320.45
5.5.380.0030.04320.41
5.5.370.0100.07720.44
5.5.360.0030.08720.61
5.5.350.0070.08720.45
5.5.340.0130.04020.97
5.5.330.0100.06020.98
5.5.320.0200.07020.88
5.5.310.0100.08020.80
5.5.300.0070.08020.87
5.5.290.0100.07320.77
5.5.280.0130.08020.92
5.5.270.0070.08720.96
5.5.260.0070.07720.84
5.5.250.0130.04320.50
5.5.240.0100.07720.22
5.5.230.0170.07320.21
5.5.220.0100.08020.33
5.5.210.0200.06720.25
5.5.200.0230.06720.13
5.5.190.0030.06020.27
5.5.180.0030.08320.20
5.5.160.0170.07020.32
5.5.150.0070.07720.32
5.5.140.0170.07720.32
5.5.130.0100.07320.32
5.5.120.0200.07020.23
5.5.110.0170.06320.26
5.5.100.0100.07720.21
5.5.90.0100.08020.12
5.5.80.0030.08320.10
5.5.70.0170.07319.98
5.5.60.0100.04020.20
5.5.50.0100.07720.19
5.5.40.0170.03720.14
5.5.30.0130.05720.16
5.5.20.0100.05020.08
5.5.10.0130.07720.20
5.5.00.0070.07720.19
5.4.450.0070.07719.38
5.4.440.0130.07319.38
5.4.430.0070.09319.45
5.4.420.0000.08719.20
5.4.410.0070.06319.34
5.4.400.0070.07319.19
5.4.390.0100.07318.93
5.4.380.0070.04318.92
5.4.370.0030.07319.05
5.4.360.0100.07019.05
5.4.350.0100.07719.19
5.4.340.0100.07018.93
5.4.320.0030.05719.11
5.4.310.0130.07019.23
5.4.300.0100.08019.20
5.4.290.0030.08019.23
5.4.280.0130.07018.91
5.4.270.0230.06719.12
5.4.260.0130.03719.24
5.4.250.0070.06319.11
5.4.240.0070.04018.88
5.4.230.0030.07719.04
5.4.220.0030.08018.91
5.4.210.0030.08019.14
5.4.200.0030.08019.13
5.4.190.0070.07319.04
5.4.180.0070.07319.13
5.4.170.0030.07719.13
5.4.160.0030.07018.86
5.4.150.0070.08019.03
5.4.140.0070.07016.26
5.4.130.0030.06716.39
5.4.120.0070.07016.45
5.4.110.0170.04016.48
5.4.100.0100.06016.54
5.4.90.0030.07016.49
5.4.80.0130.04716.40
5.4.70.0100.07316.38
5.4.60.0170.07016.54
5.4.50.0000.07316.46
5.4.40.0130.06316.42
5.4.30.0030.08016.46
5.4.20.0000.08016.36
5.4.10.0100.07016.42
5.4.00.0070.07315.69

preferences:
36.02 ms | 401 KiB | 5 Q