3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( (new A)->x ); if (empty($_SERVER['argv'][1])) { class A { public $x = 1; } } else { class A { public $x = 2; } }

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)
8.3.70.0130.00616.58
8.3.60.0070.00718.56
8.3.50.0150.00915.85
8.3.40.0110.00718.98
8.3.30.0110.00418.81
8.3.20.0040.00421.82
8.3.10.0050.00323.70
8.3.00.0000.00823.52
8.2.190.0100.00716.58
8.2.180.0080.00816.75
8.2.170.0090.01322.96
8.2.160.0110.00422.08
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0110.00726.16
8.2.120.0040.00419.54
8.2.110.0000.01222.31
8.2.100.0110.00017.72
8.2.90.0000.00817.75
8.2.80.0030.00618.66
8.2.70.0090.00017.93
8.2.60.0030.00617.50
8.2.50.0030.00518.16
8.2.40.0000.00720.40
8.2.30.0000.00720.68
8.2.20.0060.00617.84
8.2.10.0040.00417.73
8.2.00.0000.00718.09
8.1.280.0080.00825.92
8.1.270.0040.00422.00
8.1.260.0160.00326.35
8.1.250.0000.01528.09
8.1.240.0040.00421.09
8.1.230.0040.00719.01
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0050.00317.13
8.1.180.0040.00418.10
8.1.170.0030.00518.52
8.1.160.0000.00718.66
8.1.150.0070.00020.24
8.1.140.0040.00417.60
8.1.130.0000.00618.82
8.1.120.0000.00717.26
8.1.110.0050.00317.30
8.1.100.0000.00817.34
8.1.90.0000.00717.38
8.1.80.0040.00417.28
8.1.70.0040.00417.34
8.1.60.0040.00417.45
8.1.50.0030.00517.33
8.1.40.0040.00417.49
8.1.30.0000.00817.50
8.1.20.0030.00617.46
8.1.10.0030.00517.57
8.1.00.0040.00417.41
8.0.300.0060.00318.77
8.0.290.0080.00016.88
8.0.280.0030.00318.41
8.0.270.0000.00716.70
8.0.260.0000.00616.87
8.0.250.0040.00416.91
8.0.240.0040.00316.83
8.0.230.0000.00716.87
8.0.220.0030.00316.95
8.0.210.0040.00416.79
8.0.200.0000.00616.95
8.0.190.0020.00516.83
8.0.180.0070.00016.92
8.0.170.0050.00316.88
8.0.160.0030.00316.84
8.0.150.0080.00016.86
8.0.140.0080.00016.86
8.0.130.0060.00013.31
8.0.120.0090.00016.86
8.0.110.0040.00416.67
8.0.100.0040.00416.84
8.0.90.0000.00716.74
8.0.80.0070.01716.90
8.0.70.0000.00716.73
8.0.60.0070.00016.77
8.0.50.0000.00816.74
8.0.30.0140.00516.93
8.0.20.0080.01117.40
8.0.10.0080.00016.77
8.0.00.0100.00816.57
7.4.330.0000.00615.55
7.4.320.0000.00616.28
7.4.300.0000.00616.42
7.4.290.0030.00316.41
7.4.280.0040.00416.34
7.4.270.0080.00016.49
7.4.260.0030.00716.37
7.4.250.0040.00416.29
7.4.240.0000.00716.35
7.4.230.0000.00716.56
7.4.220.0000.00816.41
7.4.210.0060.00916.35
7.4.200.0000.00816.52
7.4.160.0080.00816.47
7.4.140.0100.01017.86
7.4.130.0170.00016.39
7.4.120.0060.01216.51
7.4.110.0000.01616.58
7.4.100.0070.01316.55
7.4.90.0030.01516.48
7.4.80.0100.01419.39
7.4.70.0110.00616.56
7.4.60.0120.00616.61
7.4.50.0090.00916.42
7.4.40.0080.00816.59
7.4.10.0070.01015.14
7.4.00.0120.00514.99
7.3.330.0000.00513.25
7.3.320.0060.00013.31
7.3.310.0000.00716.19
7.3.300.0030.00316.27
7.3.290.0110.00616.28
7.3.280.0050.01016.29
7.3.260.0120.01116.32
7.3.250.0110.00816.34
7.3.240.0110.00716.29
7.3.230.0100.01316.29
7.3.210.0130.00716.36
7.3.200.0040.01216.34
7.3.190.0030.01316.36
7.3.180.0110.00516.48
7.3.170.0060.01016.48
7.3.160.0070.01116.30
7.3.130.0030.01414.94
7.3.120.0090.00914.74
7.3.110.0080.00814.86
7.3.100.0050.01214.73
7.3.90.0070.00714.95
7.3.80.0040.00814.76
7.3.70.0080.00914.71
7.3.60.0070.00714.63
7.3.50.0060.00914.52
7.3.40.0030.01114.87
7.3.30.0040.00514.73
7.3.20.0070.00516.70
7.3.10.0100.00516.52
7.3.00.0070.00516.47
7.2.330.0100.00716.30
7.2.320.0130.01316.62
7.2.310.0100.00716.49
7.2.300.0120.00616.28
7.2.290.0090.01516.47
7.2.260.0070.01015.05
7.2.250.0100.00814.98
7.2.240.0050.01214.93
7.2.230.0100.00714.84
7.2.220.0030.00914.94
7.2.210.0060.00814.99
7.2.200.0070.00814.82
7.2.190.0050.00814.68
7.2.180.0050.01014.90
7.2.170.0070.01014.76
7.2.160.0000.00814.68
7.2.150.0030.00916.81
7.2.140.0030.01016.82
7.2.130.0030.01016.90
7.2.120.0090.00616.59
7.2.110.0000.00916.70
7.2.100.0100.00716.73
7.2.90.0060.00616.62
7.2.80.0060.00616.90
7.2.70.0090.00916.76
7.2.60.0020.01416.78
7.2.50.0040.01516.46
7.2.40.0030.01316.46
7.2.30.0090.01117.53
7.2.20.0100.00917.20
7.2.10.0090.01317.35
7.2.00.0100.01217.34
7.1.330.0060.00815.66
7.1.320.0060.00815.55
7.1.310.0050.00915.58
7.1.300.0030.00615.55
7.1.290.0060.00615.53
7.1.280.0050.00515.46
7.1.270.0060.00615.48
7.1.260.0030.00915.58
7.1.250.0090.00615.53
7.1.240.0030.00715.79
7.1.230.0090.00615.78
7.1.220.0090.00615.64
7.1.210.0030.00915.68
7.1.200.0060.00615.64
7.1.190.0110.00315.31
7.1.180.0000.01215.66
7.1.170.0040.00815.39
7.1.160.0070.00715.83
7.1.150.0090.01016.03
7.1.140.0080.00916.24
7.1.130.0100.01016.30
7.1.120.0120.00916.36
7.1.110.0100.00915.87
7.1.100.0090.01115.72
7.1.90.0080.01115.89
7.1.80.0110.00915.80
7.1.70.0080.01015.27
7.1.60.0250.01227.27
7.1.50.0210.01426.99
7.1.40.0230.01226.77
7.1.30.0220.01126.92
7.1.20.0210.01327.06
7.1.10.0110.00814.97
7.1.00.0110.01114.93
7.0.330.0060.00615.23
7.0.320.0060.00914.94
7.0.310.0000.00815.38
7.0.300.0000.00815.44
7.0.290.0100.00315.47
7.0.280.0040.00815.37
7.0.270.0080.00515.20
7.0.260.0070.00715.20
7.0.250.0050.00815.37
7.0.240.0040.00815.44
7.0.230.0110.00014.98
7.0.220.0080.00815.05
7.0.210.0030.00615.38
7.0.200.0030.00815.09
7.0.190.0100.00715.47
7.0.180.0030.00615.20
7.0.170.0000.01615.43
7.0.160.0030.01015.32
7.0.150.0090.00615.33
7.0.140.0040.01115.41
7.0.130.0100.00715.24
7.0.120.0090.00615.16
7.0.110.0060.00315.32
7.0.100.0000.01615.39
7.0.90.0060.00914.91
7.0.80.0110.00715.24
7.0.70.0110.00815.36
7.0.60.0070.00715.39
7.0.50.0110.00415.19
7.0.40.0070.00713.39
7.0.30.0030.01013.47
7.0.20.0060.00313.38
7.0.10.0070.01013.15
7.0.00.0130.00313.37
5.6.400.0040.00413.96
5.6.390.0070.00314.02
5.6.380.0090.00614.20
5.6.370.0060.00914.18
5.6.360.0070.00714.07
5.6.350.0070.00713.97
5.6.340.0070.00714.40
5.6.330.0070.00714.41
5.6.320.0060.00313.98
5.6.310.0060.00614.22
5.6.300.0080.00814.55
5.6.290.0030.01014.46
5.6.280.0120.00614.29
5.6.270.0040.01414.23
5.6.260.0110.00414.14
5.6.250.0090.00014.13
5.6.240.0030.01013.97
5.6.230.0090.00914.31
5.6.220.0030.01014.25
5.6.210.0030.01314.00
5.6.200.0060.00914.30
5.6.190.0120.00314.21
5.6.180.0040.01114.09
5.6.170.0000.00914.11
5.6.160.0070.00713.85
5.6.150.0040.00714.13
5.6.140.0000.01514.13
5.6.130.0060.00914.40
5.6.120.0100.00314.25
5.6.110.0040.01114.07
5.6.100.0030.00914.16
5.6.90.0030.01014.04
5.6.80.0070.01014.26
5.6.70.0070.00714.00
5.6.60.0030.00714.31
5.6.50.0080.00814.12
5.6.40.0070.00413.89
5.6.30.0140.00014.15
5.6.20.0080.00814.08
5.6.10.0060.00614.30
5.6.00.0060.00613.97

preferences:
31.47 ms | 401 KiB | 5 Q