3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = new Foo; var_dump(isset($foo->bar));

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)
8.3.60.0140.01416.88
8.3.50.0140.00016.36
8.3.40.0110.00718.92
8.3.30.0150.00018.87
8.3.20.0070.00020.30
8.3.10.0030.00521.73
8.3.00.0000.00820.95
8.2.180.0120.00318.29
8.2.170.0140.00022.96
8.2.160.0100.00322.16
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00022.26
8.2.120.0040.00426.35
8.2.110.0090.00321.08
8.2.100.0080.00318.03
8.2.90.0040.00418.03
8.2.80.0050.00319.53
8.2.70.0030.00617.93
8.2.60.0090.00017.79
8.2.50.0030.00618.10
8.2.40.0060.00322.23
8.2.30.0050.00320.88
8.2.20.0040.00417.90
8.2.10.0000.00718.11
8.2.00.0040.00418.06
8.1.280.0070.00725.92
8.1.270.0060.00323.99
8.1.260.0050.00226.35
8.1.250.0000.00728.09
8.1.240.0070.01022.07
8.1.230.0090.00322.68
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0030.00518.53
8.1.160.0040.00418.96
8.1.150.0000.00720.59
8.1.140.0040.00419.45
8.1.130.0030.00318.82
8.1.120.0040.00417.41
8.1.110.0040.00417.31
8.1.100.0030.00517.34
8.1.90.0030.00617.25
8.1.80.0040.00417.34
8.1.70.0030.00317.23
8.1.60.0000.00917.36
8.1.50.0040.00417.30
8.1.40.0040.00417.38
8.1.30.0080.00017.59
8.1.20.0040.00417.64
8.1.10.0040.00417.42
8.1.00.0000.00717.42
8.0.300.0070.00019.67
8.0.290.0040.00416.75
8.0.280.0000.00818.39
8.0.270.0040.00317.20
8.0.260.0000.00616.82
8.0.250.0030.00317.03
8.0.240.0050.00216.89
8.0.230.0040.00416.93
8.0.220.0000.00716.77
8.0.210.0000.00716.89
8.0.200.0030.00316.93
8.0.190.0050.00317.02
8.0.180.0040.00416.91
8.0.170.0030.00316.96
8.0.160.0030.00516.83
8.0.150.0000.00716.85
8.0.140.0020.00516.90
8.0.130.0050.00313.39
8.0.120.0000.00816.89
8.0.110.0000.00716.94
8.0.100.0040.00416.77
8.0.90.0000.00716.88
8.0.80.0120.00916.78
8.0.70.0000.00716.91
8.0.60.0030.00516.79
8.0.50.0030.00616.79
8.0.30.0050.01417.10
8.0.20.0100.00917.40
8.0.10.0040.00416.96
8.0.00.0100.00716.70
7.4.330.0000.00615.55
7.4.320.0000.00716.50
7.4.300.0000.00616.55
7.4.290.0040.00416.43
7.4.280.0000.00816.54
7.4.270.0030.00316.35
7.4.260.0030.00616.52
7.4.250.0040.00416.30
7.4.240.0070.00016.43
7.4.230.0030.00316.46
7.4.220.0060.01216.41
7.4.210.0140.00016.55
7.4.200.0030.00316.19
7.4.160.0050.01116.40
7.4.150.0120.00617.40
7.4.140.0090.00917.86
7.4.130.0090.00916.28
7.4.120.0130.01016.44
7.4.110.0060.01016.66
7.4.100.0090.00916.40
7.4.90.0120.00616.44
7.4.80.0070.01019.39
7.4.70.0060.01116.47
7.4.60.0130.01016.34
7.4.50.0060.01216.54
7.4.40.0040.01416.51
7.4.30.0070.01116.50
7.4.00.0030.01214.77
7.3.330.0050.00313.00
7.3.320.0050.00013.21
7.3.310.0070.00016.33
7.3.300.0000.00716.14
7.3.290.0060.00916.27
7.3.280.0100.00816.27
7.3.270.0110.01117.40
7.3.260.0140.00616.48
7.3.250.0050.01416.40
7.3.240.0050.01216.41
7.3.230.0080.00816.23
7.3.210.0070.01016.41
7.3.200.0030.01316.48
7.3.190.0060.00916.26
7.3.180.0090.00616.33
7.3.170.0140.01116.34
7.3.160.0060.00916.27
7.3.10.0070.00716.16
7.3.00.0030.01316.59
7.2.330.0070.01016.56
7.2.320.0110.00616.16
7.2.310.0110.00716.36
7.2.300.0080.00816.63
7.2.290.0050.01416.42
7.2.130.0090.00916.63
7.2.120.0070.00716.48
7.2.110.0070.01016.59
7.2.100.0030.01016.62
7.2.90.0030.00916.72
7.2.80.0040.00716.60
7.2.70.0080.00816.86
7.2.60.0070.00416.64
7.2.50.0100.00716.75
7.2.40.0070.00716.95
7.2.30.0070.00316.91
7.2.20.0000.01716.58
7.2.10.0070.00716.78
7.2.00.0060.00818.06
7.1.250.0100.00715.64
7.1.200.0160.00315.51
7.1.100.0080.00318.00
7.1.70.0040.00417.07
7.1.60.0500.00733.23
7.1.50.0530.00732.99
7.1.40.0500.01332.44
7.1.30.0400.01332.43
7.1.20.0430.01032.55
7.1.10.0330.00714.66
7.1.00.0230.01314.58
7.0.200.0370.00714.79
7.0.190.0430.00714.97
7.0.180.0330.01014.22
7.0.170.0270.01314.23
7.0.160.0400.01014.47
7.0.150.0270.01014.41
7.0.140.0230.01314.38
7.0.130.0330.00314.77
7.0.120.0230.01314.77
7.0.110.0300.00714.40
7.0.100.0230.01314.29
7.0.90.0270.01014.34
7.0.80.0370.01014.53
7.0.70.0370.00014.29
7.0.60.0900.00714.04
7.0.50.0470.01014.15
7.0.40.0230.01314.41
7.0.30.0400.00314.46
7.0.20.0230.01314.37
7.0.10.0270.01014.22
7.0.00.0300.01014.46

preferences:
43.69 ms | 400 KiB | 5 Q