3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 'false'; if ($var) { echo 'variable value is: true'; } elseif (!isset($var)) { echo 'variable is not set'; } elseif ($var == false) { echo 'variable value is: false'; } elseif ($var === false) { echo 'variable is set to false'; } elseif ($var == true) { echo 'variable is set'; } elseif ($var === true) { echo 'variable is set to true'; }

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)
8.3.40.0110.00418.67
8.3.30.0060.00818.95
8.3.20.0000.00720.16
8.3.10.0040.00420.25
8.3.00.0040.00422.39
8.2.170.0110.00722.96
8.2.160.0070.00720.85
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0030.00626.16
8.2.120.0090.00019.36
8.2.110.0090.00021.95
8.2.100.0090.00319.51
8.2.90.0040.00419.13
8.2.80.0080.00017.97
8.2.70.0050.00317.50
8.2.60.0060.00317.80
8.2.50.0040.00418.07
8.2.40.0060.00617.90
8.2.30.0040.00417.92
8.2.20.0050.00317.50
8.2.10.0040.00417.55
8.2.00.0040.00417.43
8.1.270.0090.00022.02
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00023.95
8.1.230.0040.00719.17
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0000.00817.40
8.1.180.0040.00418.61
8.1.170.0040.00718.53
8.1.160.0040.00422.05
8.1.150.0000.00718.45
8.1.140.0000.00817.37
8.1.130.0000.00717.81
8.1.120.0070.00017.36
8.1.110.0070.00017.30
8.1.100.0040.00417.38
8.1.90.0040.00417.29
8.1.80.0000.00717.32
8.1.70.0070.00017.35
8.1.60.0050.00317.52
8.1.50.0040.00417.45
8.1.40.0070.00017.45
8.1.30.0030.00517.41
8.1.20.0000.00817.56
8.1.10.0000.00817.42
8.1.00.0040.00417.35
8.0.300.0050.00218.77
8.0.290.0030.00317.18
8.0.280.0000.00718.44
8.0.270.0040.00417.34
8.0.260.0070.00016.83
8.0.250.0030.00316.90
8.0.240.0070.00416.91
8.0.230.0000.00716.93
8.0.220.0030.00316.70
8.0.210.0000.00716.87
8.0.200.0040.00416.87
8.0.190.0090.00016.93
8.0.180.0100.00016.87
8.0.170.0000.00716.86
8.0.160.0040.00416.66
8.0.150.0040.00416.67
8.0.140.0040.00416.82
8.0.130.0000.00613.32
8.0.120.0030.00516.79
8.0.110.0050.00216.80
8.0.100.0040.00416.86
8.0.90.0000.00716.86
8.0.80.0130.00316.88
8.0.70.0000.00716.71
8.0.60.0070.00016.74
8.0.50.0000.00716.79
8.0.30.0090.00917.02
8.0.20.0150.00417.40
8.0.10.0040.00416.90
8.0.00.0150.00416.69
7.4.330.0000.00615.08
7.4.320.0030.00316.43
7.4.300.0030.00316.59
7.4.290.0070.00016.56
7.4.280.0000.00716.52
7.4.270.0070.00416.42
7.4.260.0030.00316.42
7.4.250.0080.00016.51
7.4.240.0040.00416.54
7.4.230.0030.00316.55
7.4.220.0090.00916.54
7.4.210.0070.00816.56
7.4.200.0040.00416.56
7.4.190.0040.00416.30
7.4.160.0090.00916.44
7.4.150.0110.00717.40
7.4.140.0100.01017.86
7.4.130.0110.01016.51
7.4.120.0070.01016.41
7.4.110.0090.01216.34
7.4.100.0100.01016.45
7.4.90.0150.00316.39
7.4.80.0130.01019.39
7.4.70.0030.01316.55
7.4.60.0100.01216.30
7.4.50.0040.00416.55
7.4.40.0040.01522.77
7.4.30.0060.01016.34
7.4.00.0060.01114.91
7.3.330.0020.00212.88
7.3.320.0060.00012.98
7.3.310.0000.00715.97
7.3.300.0000.00715.98
7.3.290.0060.00916.18
7.3.280.0070.01016.22
7.3.270.0100.00717.40
7.3.260.0000.01716.02
7.3.250.0090.01016.20
7.3.240.0060.01016.39
7.3.230.0060.01616.39
7.3.210.0030.01616.23
7.3.200.0150.00619.39
7.3.190.0090.00916.10
7.3.180.0090.01216.16
7.3.170.0100.00716.30
7.3.160.0120.00316.38
7.3.120.0070.00914.67
7.3.110.0030.01414.78
7.3.100.0070.01114.70
7.3.90.0030.01415.01
7.3.80.0000.01314.70
7.3.70.0040.00714.80
7.3.60.0090.00614.77
7.3.50.0040.00814.82
7.3.40.0060.00614.72
7.3.30.0070.00714.79
7.3.20.0120.00616.45
7.3.10.0040.01116.55
7.3.00.0050.01116.59
7.2.330.0140.00316.38
7.2.320.0100.00716.61
7.2.310.0060.01116.68
7.2.300.0100.00616.62
7.2.290.0110.00716.52
7.2.250.0100.01014.68
7.2.240.0030.01614.94
7.2.230.0060.00914.77
7.2.220.0060.01314.98
7.2.210.0030.01014.82
7.2.200.0090.00615.00
7.2.190.0030.01315.07
7.2.180.0030.01014.91
7.2.170.0040.00414.82
7.2.130.0040.01416.48
7.2.120.0080.00616.74
7.2.110.0000.01416.71
7.2.100.0040.01216.70
7.2.90.0030.00616.79
7.2.80.0030.01016.43
7.2.70.0060.00916.55
7.2.60.0130.00316.59
7.2.50.0030.00616.80
7.2.40.0090.00316.66
7.2.30.0090.00316.96
7.2.20.0060.00516.86
7.2.10.0030.00716.52
7.2.00.0040.00918.23
7.1.330.0080.00415.66
7.1.320.0090.00615.49
7.1.310.0090.00615.65
7.1.300.0110.00415.49
7.1.290.0040.01115.70
7.1.280.0040.00815.70
7.1.270.0090.00615.59
7.1.260.0090.00615.80
7.1.250.0100.00015.59
7.1.200.0030.00815.54
7.1.100.0180.00617.77
7.1.70.0080.00317.02
7.1.60.0040.02219.82
7.1.50.0070.01316.82
7.1.00.0030.07722.46
7.0.200.0030.00716.73
7.0.140.0000.07721.92
7.0.80.0170.07719.91
7.0.70.0070.08719.93
7.0.60.0530.03019.88
7.0.50.0470.04720.21
7.0.40.0070.04020.04
7.0.30.0070.07720.16
7.0.20.0070.08320.03
7.0.10.0030.05020.14
7.0.00.0170.07020.04
5.6.230.0130.07020.62
5.6.220.0030.05320.66
5.6.210.0200.06020.57
5.6.200.0030.04720.93
5.6.190.0070.07021.10
5.6.180.0130.04721.07
5.6.170.0100.06721.05
5.6.160.0170.04021.17
5.6.150.0000.05721.00
5.6.140.0170.06321.16
5.6.130.0070.04720.96
5.6.120.0170.07721.03
5.6.110.0070.06721.12
5.6.100.0100.07020.98
5.6.90.0030.08721.02
5.6.80.0000.05720.40
5.6.70.0070.06020.32
5.6.60.0070.05020.42
5.6.50.0170.07320.38
5.6.40.0200.04720.43
5.6.30.0100.05720.38
5.6.20.0070.05020.48
5.6.10.0000.08320.48
5.6.00.0030.05320.39
5.5.370.0030.05020.56
5.5.360.0030.05720.35
5.5.350.0100.07320.38
5.5.340.0100.04720.73
5.5.330.0200.03320.88
5.5.320.0070.04720.82
5.5.310.0100.04720.72
5.5.300.0100.07320.92
5.5.290.0130.04020.86
5.5.280.0130.07720.79
5.5.270.0030.05720.89
5.5.260.0100.08720.75
5.5.250.0100.04720.60
5.5.240.0130.07320.18
5.5.230.0070.08020.30
5.5.220.0130.03720.13
5.5.210.0030.08720.10
5.5.200.0070.06720.23
5.5.190.0170.03020.25
5.5.180.0130.07020.23
5.5.160.0070.07320.23
5.5.150.0030.07720.16
5.5.140.0100.07020.17
5.5.130.0170.05320.21
5.5.120.0100.07720.20
5.5.110.0130.04320.11
5.5.100.0070.07720.01
5.5.90.0100.07020.15
5.5.80.0200.03020.11
5.5.70.0200.06020.13
5.5.60.0130.03720.05
5.5.50.0070.08320.04
5.5.40.0130.06320.13
5.5.30.0130.07320.08
5.5.20.0070.07320.13
5.5.10.0130.05720.04
5.5.00.0030.08020.04
5.4.450.0100.06319.27
5.4.440.0070.04319.37
5.4.430.0100.05319.13
5.4.420.0170.03719.46
5.4.410.0170.07019.28
5.4.400.0130.07019.17
5.4.390.0170.06019.06
5.4.380.0130.05719.12
5.4.370.0100.06319.06
5.4.360.0100.03719.04
5.4.350.0130.06719.07
5.4.340.0000.06719.05
5.4.320.0030.08319.04
5.4.310.0100.06318.81
5.4.300.0030.05319.09
5.4.290.0100.07318.78
5.4.280.0100.06319.07
5.4.270.0000.05719.09
5.4.260.0070.06318.80
5.4.250.0130.07019.07
5.4.240.0030.08019.04
5.4.230.0100.07019.11
5.4.220.0100.05019.11
5.4.210.0070.06319.04
5.4.200.0100.04319.22
5.4.190.0130.06718.80
5.4.180.0170.04018.89
5.4.170.0070.08018.77
5.4.160.0070.05319.12
5.4.150.0070.03719.01
5.4.140.0070.03716.23
5.4.130.0030.04716.35
5.4.120.0100.04016.27
5.4.110.0030.03716.45
5.4.100.0030.04016.38
5.4.90.0030.03316.39
5.4.80.0070.03316.29
5.4.70.0030.03016.23
5.4.60.0000.03716.23
5.4.50.0100.03016.23
5.4.40.0030.03716.26
5.4.30.0070.03316.37
5.4.20.0070.02716.37
5.4.10.0070.02716.34
5.4.00.0000.04016.23
5.3.290.0070.04316.23
5.3.280.0100.04316.23
5.3.270.0070.04316.23
5.3.260.0070.06716.23
5.3.250.0030.04316.23
5.3.240.0000.04016.23
5.3.230.0030.04016.23
5.3.220.0000.04016.23
5.3.210.0030.04316.23
5.3.200.0170.02316.23
5.3.190.0070.03316.23
5.3.180.0000.04016.23
5.3.170.0030.03016.23
5.3.160.0100.02716.23
5.3.150.0030.03316.23
5.3.140.0100.05716.23
5.3.130.0000.04016.23
5.3.120.0030.03316.23
5.3.110.0100.02716.23
5.3.100.0030.03016.23
5.3.90.0030.03316.23
5.3.80.0070.03716.23
5.3.70.0030.03016.23
5.3.60.0030.03016.23
5.3.50.0000.03716.23
5.3.40.0030.03316.23
5.3.30.0000.04016.23
5.3.20.0030.03016.23
5.3.10.0000.03016.23
5.3.00.0070.02716.23
5.2.170.0030.02316.23
5.2.160.0100.02016.23
5.2.150.0030.02316.23
5.2.140.0070.02016.23
5.2.130.0000.03016.23
5.2.120.0030.02716.23
5.2.110.0030.03016.23
5.2.100.0030.02716.23
5.2.90.0070.02716.23
5.2.80.0000.02716.23
5.2.70.0100.02716.23
5.2.60.0000.03016.23
5.2.50.0000.02716.23
5.2.40.0070.02716.23
5.2.30.0070.02016.23
5.2.20.0030.02316.23
5.2.10.0000.02716.23
5.2.00.0000.03316.23
5.1.60.0070.01716.23
5.1.50.0000.02316.23
5.1.40.0030.02016.23
5.1.30.0000.02316.23
5.1.20.0000.02316.23
5.1.10.0030.02016.23
5.1.00.0100.02016.23
5.0.50.0000.02016.23
5.0.40.0000.01716.23
5.0.30.0000.03016.23
5.0.20.0030.02016.23
5.0.10.0030.01716.23
5.0.00.0030.02316.23
4.4.90.0000.01716.23
4.4.80.0000.02016.23
4.4.70.0000.01316.23
4.4.60.0000.01316.23
4.4.50.0070.00716.23
4.4.40.0030.01716.23
4.4.30.0000.01316.23
4.4.20.0030.01316.23
4.4.10.0000.01316.23
4.4.00.0000.02016.23
4.3.110.0030.01316.23
4.3.100.0000.01316.23
4.3.90.0030.01316.23
4.3.80.0030.01716.23
4.3.70.0000.01316.23
4.3.60.0000.01316.23
4.3.50.0000.02016.23
4.3.40.0030.01716.23
4.3.30.0000.01316.23
4.3.20.0000.01316.23
4.3.10.0000.01316.23
4.3.00.0000.01716.23

preferences:
40.7 ms | 400 KiB | 5 Q