3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var1 = 'The profile of Mr Dennisrec xVILEN' + ' Hello world'.stringify(); $_SESSION['MR DENNIS'] = $var1; echo $_SESSION['MR DENNIS'];

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)
8.3.70.0140.00016.63
8.3.60.0150.00618.43
8.3.50.0130.00921.11
8.3.40.0110.01118.88
8.3.30.0150.00018.83
8.3.20.0050.00220.04
8.3.10.0000.00823.66
8.3.00.0070.00719.83
8.2.190.0070.00718.54
8.2.180.0140.00418.29
8.2.170.0140.00322.96
8.2.160.0130.00720.32
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00421.12
8.2.120.0000.00826.35
8.2.110.0140.00420.35
8.2.100.0060.00617.80
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0040.00417.62
8.2.60.0060.00617.68
8.2.50.0040.00418.07
8.2.40.0030.00919.32
8.2.30.0000.00720.57
8.2.20.0000.00817.74
8.2.10.0050.00317.97
8.2.00.0040.00418.09
8.1.280.0040.01125.92
8.1.270.0000.00920.29
8.1.260.0000.00828.09
8.1.250.0040.00428.09
8.1.240.0050.00523.84
8.1.230.0110.00017.59
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0060.00317.25
8.1.180.0050.00318.10
8.1.170.0030.00618.46
8.1.160.0040.00420.64
8.1.150.0040.00418.76
8.1.140.0030.00719.38
8.1.130.0000.00817.57
8.1.120.0070.00017.41
8.1.110.0040.00417.22
8.1.100.0000.00717.36
8.1.90.0000.00817.23
8.1.80.0080.00017.30
8.1.70.0000.00817.27
8.1.60.0040.00417.28
8.1.50.0050.00317.36
8.1.40.0080.00017.41
8.1.30.0000.00817.52
8.1.20.0030.00617.47
8.1.10.0000.00717.41
8.1.00.0000.00917.42
8.0.300.0040.00418.77
8.0.290.0030.00516.75
8.0.280.0000.00818.39
8.0.270.0030.00317.18
8.0.260.0060.00017.06
8.0.250.0070.00016.89
8.0.240.0030.00316.84
8.0.230.0070.00016.84
8.0.220.0000.00716.76
8.0.210.0030.00516.87
8.0.200.0030.00316.99
8.0.190.0000.00816.97
8.0.180.0060.00316.94
8.0.170.0050.00216.91
8.0.160.0000.00716.92
8.0.150.0100.00016.83
8.0.140.0030.00716.84
8.0.130.0060.00013.27
8.0.120.0080.00016.74
8.0.110.0000.00716.88
8.0.100.0000.00816.77
8.0.90.0070.00016.96
8.0.80.0060.00916.83
8.0.70.0030.00416.94
8.0.60.0000.00716.79
8.0.50.0040.00416.68
8.0.30.0150.00317.03
8.0.20.0110.00817.40
8.0.10.0000.00816.90
8.0.00.0100.00716.64
7.4.330.0050.00016.67
7.4.320.0030.00316.42
7.4.300.0070.00016.38
7.4.290.0040.00416.52
7.4.280.0040.00416.43
7.4.270.0050.00316.42
7.4.260.0040.00416.52
7.4.250.0030.00316.40
7.4.240.0000.00716.49
7.4.230.0030.00616.43
7.4.220.0230.00316.45
7.4.210.0100.00316.49
7.4.200.0070.00016.46
7.4.160.0100.01316.44
7.4.150.0110.00617.40
7.4.140.0140.01017.86
7.4.130.0100.00716.36
7.4.120.0080.01116.61
7.4.110.0100.01016.60
7.4.100.0100.01316.53
7.4.90.0100.01016.35
7.4.80.0060.01419.39
7.4.70.0150.00616.30
7.4.60.0070.01016.41
7.4.50.0070.00716.55
7.4.40.0070.01116.29
7.4.30.0090.00916.40
7.4.00.0120.00314.88
7.3.330.0080.00013.09
7.3.320.0060.00013.02
7.3.310.0060.00016.19
7.3.300.0000.00716.28
7.3.290.0050.00916.22
7.3.280.0070.00816.28
7.3.270.0100.00617.40
7.3.260.0090.00816.31
7.3.250.0120.00916.28
7.3.240.0090.00916.40
7.3.230.0090.01316.39
7.3.210.0120.00416.48
7.3.200.0070.01016.21
7.3.190.0040.01216.46
7.3.180.0080.00816.42
7.3.170.0130.00316.35
7.3.160.0090.00616.37
7.2.330.0090.00916.74
7.2.320.0120.00616.75
7.2.310.0090.00616.41
7.2.300.0060.01716.45
7.2.290.0170.00616.28
7.2.60.0090.00616.70
7.2.00.0090.00619.14
7.1.200.0130.00015.57
7.1.100.0060.00317.98
7.1.70.0040.00416.88
7.1.60.0100.01319.13
7.1.50.0070.01716.95
7.1.00.0000.07722.44
7.0.200.0040.00416.74
7.0.60.0070.08019.83
7.0.50.0070.07717.80
7.0.40.0070.04720.41
7.0.30.0330.07320.16
7.0.20.0530.05320.00
7.0.10.0130.08020.20
7.0.00.0030.08719.99
5.6.280.0000.04021.07
5.6.210.0030.04320.52
5.6.200.0100.08018.19
5.6.190.0070.04320.57
5.6.180.0330.05720.41
5.6.170.0230.06020.44
5.6.160.0230.06020.40
5.6.150.0000.09018.22
5.6.140.0030.07718.08
5.6.130.0100.07718.11
5.6.120.0130.06321.03
5.6.110.0100.08020.97
5.6.100.0070.03721.02
5.6.90.0070.08020.87
5.6.80.0170.07320.52
5.5.350.0230.07020.52
5.5.340.0070.04018.02
5.5.330.0200.04320.40
5.5.320.0530.07720.42
5.5.310.0170.04720.33
5.5.300.0100.07318.02
5.5.290.0130.03318.02
5.5.280.0070.06020.94
5.5.270.0070.08320.73
5.5.260.0130.07020.79
5.5.250.0100.06020.70
5.5.240.0170.03320.28

preferences:
58.6 ms | 401 KiB | 5 Q