3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $x = 1; } class B extends A { function bar() { var_dump(self::$x); } }; class C extends A { function bar() { var_dump(A::$x); } }; $a = new B; $a->bar(); $b = new C; $b->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)
8.3.60.0110.00716.75
8.3.50.0120.00317.92
8.3.40.0070.00718.63
8.3.30.0080.00818.72
8.3.20.0070.00020.04
8.3.10.0060.00323.62
8.3.00.0040.00419.26
8.2.180.0090.00616.88
8.2.170.0070.00722.96
8.2.160.0110.00422.02
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00817.63
8.2.120.0040.00426.35
8.2.110.0040.00420.49
8.2.100.0060.00618.04
8.2.90.0080.00019.21
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0040.00417.91
8.2.50.0000.00918.07
8.2.40.0040.00419.11
8.2.30.0040.00420.67
8.2.20.0040.00417.55
8.2.10.0050.00318.04
8.2.00.0050.00217.90
8.1.280.0030.01325.92
8.1.270.0030.00522.24
8.1.260.0080.00028.09
8.1.250.0070.00028.09
8.1.240.0040.00422.14
8.1.230.0080.00419.44
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00617.35
8.1.190.0000.00817.36
8.1.180.0040.00418.10
8.1.170.0020.00518.66
8.1.160.0040.00421.86
8.1.150.0030.00518.79
8.1.140.0000.00719.52
8.1.130.0000.00717.64
8.1.120.0040.00417.32
8.1.110.0040.00417.27
8.1.100.0060.00317.41
8.1.90.0050.00317.29
8.1.80.0040.00417.39
8.1.70.0070.00017.38
8.1.60.0030.00517.46
8.1.50.0060.00317.51
8.1.40.0080.00017.41
8.1.30.0030.00517.61
8.1.20.0040.00417.60
8.1.10.0030.00617.61
8.1.00.0000.00817.47
8.0.300.0050.00218.77
8.0.290.0070.00016.63
8.0.280.0080.00018.41
8.0.270.0030.00317.17
8.0.260.0040.00417.09
8.0.250.0030.00316.95
8.0.240.0000.00716.85
8.0.230.0040.00416.96
8.0.220.0030.00316.88
8.0.210.0040.00416.92
8.0.200.0030.00316.97
8.0.190.0040.00416.95
8.0.180.0000.01116.81
8.0.170.0000.00816.78
8.0.160.0060.00316.75
8.0.150.0040.00316.71
8.0.140.0100.00016.69
8.0.130.0000.00613.30
8.0.120.0000.00816.84
8.0.110.0050.00316.90
8.0.100.0000.00716.75
8.0.90.0030.00316.73
8.0.80.0060.00916.81
8.0.70.0030.00517.00
8.0.60.0000.00716.71
8.0.50.0000.00816.95
8.0.30.0070.01216.97
8.0.20.0110.00817.40
8.0.10.0040.00416.92
8.0.00.0080.00916.74
7.4.330.0000.00515.08
7.4.320.0030.00316.50
7.4.300.0030.00316.48
7.4.290.0040.00416.50
7.4.280.0000.00716.63
7.4.270.0030.00316.45
7.4.260.0000.00916.54
7.4.250.0080.00016.54
7.4.240.0030.00316.57
7.4.230.0030.00316.39
7.4.220.0070.01016.69
7.4.210.0030.01516.52
7.4.200.0040.00416.65
7.4.160.0070.00716.50
7.4.150.0130.00417.40
7.4.140.0100.01017.86
7.4.130.0030.01516.46
7.4.120.0110.00616.42
7.4.110.0040.01516.44
7.4.100.0110.01116.43
7.4.90.0120.00416.50
7.4.80.0070.01019.39
7.4.70.0070.01016.40
7.4.60.0090.00616.54
7.4.50.0090.00316.21
7.4.40.0070.01116.52
7.4.30.0130.00316.52
7.4.00.0080.00814.93
7.3.330.0030.00313.31
7.3.320.0000.00613.31
7.3.310.0050.00216.39
7.3.300.0000.00716.41
7.3.290.0110.00316.35
7.3.280.0050.01316.38
7.3.270.0080.00817.40
7.3.260.0140.00316.36
7.3.240.0110.00716.50
7.3.230.0060.01016.62
7.3.210.0070.01016.33
7.3.200.0130.00716.39
7.3.190.0080.00816.33
7.3.180.0130.00716.55
7.3.170.0130.00616.45
7.3.160.0060.00916.50
7.3.120.0130.00614.57
7.3.110.0060.01314.89
7.3.100.0080.00814.84
7.3.90.0030.01014.95
7.3.80.0070.01114.90
7.3.70.0040.01215.00
7.3.60.0000.01114.64
7.3.50.0030.00914.71
7.3.40.0060.00614.54
7.3.30.0030.01014.76
7.3.20.0060.00616.73
7.3.10.0070.00716.71
7.3.00.0100.00616.61
7.2.330.0060.01016.79
7.2.320.0080.01716.64
7.2.310.0150.00916.37
7.2.300.0100.00716.33
7.2.290.0070.01516.36
7.2.240.0040.01514.88
7.2.230.0080.00814.54
7.2.220.0000.01215.03
7.2.210.0070.00715.06
7.2.200.0000.01414.95
7.2.190.0030.01214.79
7.2.180.0120.00314.88
7.2.170.0040.01114.98
7.2.160.0030.01415.14
7.2.150.0040.00716.71
7.2.140.0060.01216.87
7.2.130.0060.01216.79
7.2.120.0040.01516.89
7.2.110.0080.00816.96
7.2.100.0100.00316.86
7.2.90.0060.01016.59
7.2.80.0070.00716.88
7.2.70.0060.00316.73
7.2.60.0100.00716.72
7.2.50.0070.01017.02
7.2.40.0070.01016.82
7.2.30.0030.01416.67
7.2.20.0120.00316.86
7.2.10.0030.00616.74
7.2.00.0070.00517.96
7.1.330.0060.00615.66
7.1.320.0080.00415.34
7.1.310.0080.00815.37
7.1.300.0060.00915.35
7.1.290.0080.00315.59
7.1.280.0150.00015.46
7.1.270.0080.00415.61
7.1.260.0000.01515.27
7.1.250.0090.00615.75
7.1.200.0060.01715.55
7.1.100.0040.01118.07
7.1.70.0000.00716.98
7.1.60.0100.01319.48
7.1.50.0060.01516.76
7.1.00.0000.08022.36
7.0.200.0320.00614.70
7.0.60.0070.05019.91
7.0.50.0000.04317.84
7.0.40.0100.07720.02
7.0.30.0100.03720.09
7.0.20.0430.06320.07
7.0.10.0030.09020.06
7.0.00.0100.07720.25
5.6.280.0070.06020.90
5.6.210.0030.08720.69
5.6.200.0070.08018.25
5.6.190.0100.04320.64
5.6.180.0170.05320.55
5.6.170.0200.07020.71
5.6.160.0070.04720.54
5.6.150.0170.04318.23
5.6.140.0100.08018.15
5.6.130.0070.08318.21
5.6.120.0100.08021.00
5.6.110.0030.04021.14
5.6.100.0100.07321.11
5.6.90.0170.06720.98
5.6.80.0070.06720.49
5.5.350.3200.02720.42
5.5.340.0070.08017.95
5.5.330.0130.03720.26
5.5.320.0700.06020.25
5.5.310.0200.06720.31
5.5.300.0100.03018.08
5.5.290.0000.05317.94
5.5.280.0000.05720.65
5.5.270.0100.08020.77
5.5.260.0070.04320.73
5.5.250.0000.04320.50
5.5.240.0170.03320.14

preferences:
34.17 ms | 400 KiB | 5 Q