3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_SESSION['MAster'] = '4632763278'; unset($_SESSION['MAster']); if($_SESSION['MAster']){ echo 'HELLO'; } if(in_array('MAster',$_SESSION)){ echo 'HELLO'; } if(isset($_SESSION['MAster'])){ echo 'HELLO 2'; } if($_SESSION['MAster']=='4632763278'){ echo 'HELLO 3'; }

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)
8.3.70.0110.00718.56
8.3.60.0150.00618.56
8.3.50.0100.01222.04
8.3.40.0110.00418.92
8.3.30.0060.01319.16
8.3.20.0040.00420.36
8.3.10.0000.00823.61
8.3.00.0050.00318.86
8.2.190.0140.00316.76
8.2.180.0070.01116.50
8.2.170.0180.00322.96
8.2.160.0100.00320.44
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.07
8.2.110.0030.00621.11
8.2.100.0060.00617.81
8.2.90.0030.00519.21
8.2.80.0000.00817.97
8.2.70.0030.00617.75
8.2.60.0060.00318.05
8.2.50.0000.00918.07
8.2.40.0040.00418.16
8.2.30.0050.00317.99
8.2.20.0040.00417.80
8.2.10.0000.00818.13
8.2.00.0050.00217.67
8.1.280.0120.00925.92
8.1.270.0030.00619.00
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0060.00322.20
8.1.230.0060.00617.51
8.1.220.0000.00817.79
8.1.210.0060.00318.77
8.1.200.0060.00317.47
8.1.190.0000.00817.25
8.1.180.0030.00618.10
8.1.170.0000.00820.38
8.1.160.0040.00421.91
8.1.150.0040.00418.88
8.1.140.0000.00819.23
8.1.130.0040.00417.69
8.1.120.0000.00717.37
8.1.110.0040.00417.47
8.1.100.0000.00817.51
8.1.90.0080.00017.37
8.1.80.0000.00717.50
8.1.70.0070.00017.32
8.1.60.0030.00617.63
8.1.50.0030.00517.42
8.1.40.0000.00817.52
8.1.30.0030.00517.64
8.1.20.0050.00317.53
8.1.10.0040.00417.55
8.1.00.0060.00317.35
8.0.300.0020.00518.77
8.0.290.0000.00816.75
8.0.280.0000.00718.29
8.0.270.0070.00017.06
8.0.260.0030.00317.18
8.0.250.0070.00016.98
8.0.240.0050.00216.98
8.0.230.0030.00316.88
8.0.220.0030.00316.92
8.0.210.0000.00716.90
8.0.200.0070.00416.98
8.0.190.0040.00416.81
8.0.180.0080.00016.92
8.0.170.0040.00416.96
8.0.160.0000.00716.78
8.0.150.0000.00716.78
8.0.140.0040.00416.87
8.0.130.0030.00313.31
8.0.120.0000.00816.80
8.0.110.0040.00416.71
8.0.100.0040.00417.00
8.0.90.0000.00716.86
8.0.80.0060.00916.95
8.0.70.0040.00416.88
8.0.60.0040.00416.71
8.0.50.0070.00016.77
8.0.30.0100.01416.88
8.0.20.0150.01017.40
8.0.10.0040.00417.06
8.0.00.0090.00916.61
7.4.330.0030.00315.26
7.4.320.0060.00016.48
7.4.300.0000.00616.47
7.4.290.0040.00416.47
7.4.280.0000.00716.37
7.4.270.0000.00716.59
7.4.260.0030.00316.53
7.4.250.0040.00416.55
7.4.240.0040.00416.60
7.4.230.0030.00316.48
7.4.220.0100.00716.50
7.4.210.0120.00316.38
7.4.200.0030.00316.68
7.4.160.0130.00316.58
7.4.150.0150.00417.40
7.4.140.0090.01117.86
7.4.130.0090.00916.56
7.4.120.0050.01216.50
7.4.110.0070.01016.24
7.4.100.0140.00316.43
7.4.90.0110.00616.50
7.4.80.0030.01619.39
7.4.70.0080.00816.53
7.4.60.0100.01016.64
7.4.50.0040.00016.63
7.4.40.0110.00516.54
7.4.30.0090.01416.52
7.4.00.0070.01015.07
7.3.330.0000.00513.28
7.3.320.0020.00213.12
7.3.310.0000.00716.45
7.3.300.0070.00016.38
7.3.290.0100.00716.37
7.3.280.0070.01016.35
7.3.270.0180.00717.40
7.3.260.0070.01116.50
7.3.250.0090.00916.37
7.3.240.0100.00716.26
7.3.230.0060.01516.39
7.3.210.0070.01016.26
7.3.200.0100.00719.39
7.3.190.0130.00316.39
7.3.180.0170.00616.45
7.3.170.0150.00416.54
7.3.160.0130.00316.34
7.3.10.0030.00916.36
7.3.00.0040.01116.36
7.2.330.0130.00616.71
7.2.320.0110.00616.58
7.2.310.0100.00616.68
7.2.300.0120.00916.61
7.2.290.0120.00816.49
7.2.130.0090.01016.48
7.2.120.0100.00716.74
7.2.110.0070.00316.92
7.2.100.0030.01316.70
7.2.90.0070.00717.05
7.2.80.0070.00616.76
7.2.70.0030.00916.74
7.2.60.0060.00616.79
7.2.50.0000.01216.79
7.2.40.0060.00617.07
7.2.30.0150.00616.98
7.2.20.0000.01416.64
7.2.10.0060.00617.03
7.2.00.0050.01018.22
7.1.250.0060.00915.69
7.1.200.0080.00415.48
7.1.100.0000.01118.23
7.1.70.0020.00517.04
7.1.60.0070.01819.46
7.1.50.0190.00316.92
7.1.00.0000.08022.40
7.0.200.0000.00916.83
7.0.140.0070.05321.92
7.0.60.0030.06019.92
7.0.50.0100.07717.81
7.0.40.0170.07020.40
7.0.30.0300.07720.13
7.0.20.0270.05020.16
7.0.10.0100.05720.02
7.0.00.0170.07720.17
5.6.280.0070.08720.81
5.6.210.0070.04020.47
5.6.200.0070.08018.17
5.6.190.0000.05720.39
5.6.180.0270.07720.68
5.6.170.0330.06720.54
5.6.160.0070.08320.37
5.6.150.0130.07318.22
5.6.140.0100.05318.11
5.6.130.0030.04018.20
5.6.120.0170.07321.11
5.6.110.0100.08721.10
5.6.100.0170.06320.96
5.6.90.0130.08320.85
5.6.80.0030.04320.52
5.5.350.4130.04320.46
5.5.340.0070.08017.91
5.5.330.0130.07020.47
5.5.320.0200.06720.28
5.5.310.0230.05320.41
5.5.300.0070.04717.89
5.5.290.0030.07718.00
5.5.280.0070.04020.76
5.5.270.0130.08020.65
5.5.260.0230.07020.76
5.5.250.0070.06320.61
5.5.240.0000.07720.27
5.4.450.0800.06019.61
5.4.440.0930.05719.33
5.4.430.0630.05019.32
5.4.420.0700.06719.54
5.4.410.0800.05019.05
5.4.400.0630.05019.01
5.4.390.0200.06018.67
5.4.380.0330.06718.72
5.4.370.0270.05718.66
5.4.360.0270.05018.61
5.4.350.0270.05018.68
5.4.340.0300.04718.50
5.4.320.0270.05318.46
5.4.310.0270.04718.46
5.4.300.0430.04718.59
5.4.290.0300.05318.66
5.4.280.0230.05018.65
5.4.270.0200.06018.71
5.4.260.0200.06018.50
5.4.250.0130.06718.62
5.4.240.0300.05018.66
5.4.230.0230.05318.48
5.4.220.0100.07018.71
5.4.210.0230.06018.64
5.4.200.0330.04016.53
5.4.190.0230.05718.61
5.4.180.0200.05718.57
5.4.170.0300.05318.70
5.4.160.0230.05718.44
5.4.150.0300.05018.75
5.4.140.0270.07316.27
5.4.130.0270.05316.15
5.4.120.0500.06016.13
5.4.110.0330.06316.04
5.4.100.0170.06316.18
5.4.90.0300.04716.15
5.4.80.0270.05316.01
5.4.70.0230.06016.04
5.4.60.0300.04716.21
5.4.50.0170.05716.21
5.4.40.0230.05316.29
5.4.30.0300.05016.21
5.4.20.0170.06016.09
5.4.10.0330.06016.23
5.4.00.0400.04315.50
5.3.290.0370.04714.58
5.3.280.0270.05314.57
5.3.270.0170.06314.59
5.3.260.0270.05314.54
5.3.250.0170.06014.48
5.3.240.0370.04014.56
5.3.230.0300.05714.63
5.3.220.0200.05314.66
5.3.210.0270.05314.62
5.3.200.0170.05714.53
5.3.190.0230.05714.59
5.3.180.0170.06314.66
5.3.170.0270.05714.55
5.3.160.0270.05314.66
5.3.150.0200.05314.65
5.3.140.0070.06714.53
5.3.130.0270.05314.62
5.3.120.0230.06014.50
5.3.110.0370.05314.47
5.3.100.0230.05314.02
5.3.90.0200.06014.07
5.3.80.0300.05013.98
5.3.70.0270.06713.96
5.3.60.0300.04313.99
5.3.50.0230.05013.87
5.3.40.0170.06013.93
5.3.30.0070.00013.92
5.3.20.0300.04713.67
5.3.10.0230.05713.57
5.3.00.0270.05713.62
5.2.170.0130.04711.09
5.2.160.0300.03711.20
5.2.150.0130.05311.20
5.2.140.0100.05011.12
5.2.130.0170.04311.14
5.2.120.0170.04011.25
5.2.110.0230.03711.03
5.2.100.0200.03711.08
5.2.90.0130.04711.24
5.2.80.0130.05011.13
5.2.70.0200.04311.03
5.2.60.0170.04310.96
5.2.50.0270.03310.97
5.2.40.0200.04310.95
5.2.30.0170.04010.89
5.2.20.0230.03310.92
5.2.10.0230.03310.90
5.2.00.0130.04710.81
5.1.60.0170.03310.10
5.1.50.0130.03710.00
5.1.40.0230.0279.96
5.1.30.0130.05310.47
5.1.20.0170.03710.41
5.1.10.0130.04310.04
5.1.00.0130.04010.18
5.0.50.0170.0208.64
5.0.40.0070.0308.47
5.0.30.0170.0378.34
5.0.20.0130.0308.32
5.0.10.0070.0308.20
5.0.00.0030.0478.19
4.4.90.0070.0275.89
4.4.80.0170.0135.82
4.4.70.0130.0175.87
4.4.60.0070.0235.91
4.4.50.0070.0235.90
4.4.40.0100.0335.90
4.4.30.0170.0135.88
4.4.20.0070.0235.93
4.4.10.0170.0135.88
4.4.00.0100.0335.96
4.3.110.0070.0235.74
4.3.100.0000.0275.79
4.3.90.0100.0205.82
4.3.80.0170.0335.80
4.3.70.0070.0235.81
4.3.60.0070.0235.84
4.3.50.0070.0275.87
4.3.40.0030.0375.75
4.3.30.0070.0204.61
4.3.20.0070.0204.54
4.3.10.0070.0204.61
4.3.00.0170.0206.79

preferences:
32.94 ms | 401 KiB | 5 Q