3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $_prot; public function __toString() { return (string) $this->_prot; } } class C extends A { protected $_c = __CLASS__; } class B extends A { static function test(A $a) { // can access protected properties declared in B and all its superclasses // Fatal error: Cannot access protected property C::$_c $a->_prot = 5; echo '_c:', @$a->_c, ", "; echo "_a:", $a, "\n"; } } $a = new A; $b = new B; $c = new C; B::test($a); B::test($b); B::test($c);

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)
8.3.70.0090.00616.63
8.3.60.0120.00918.68
8.3.50.0100.00521.14
8.3.40.0110.00318.97
8.3.30.0030.01020.21
8.3.20.0070.00020.16
8.3.10.0040.00421.14
8.3.00.0040.00422.36
8.2.180.0090.00917.00
8.2.170.0090.00922.96
8.2.160.0100.00722.13
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0080.00020.79
8.2.110.0060.00320.89
8.2.100.0060.00618.03
8.2.90.0060.00319.13
8.2.80.0080.00017.97
8.2.70.0090.00017.63
8.2.60.0040.00418.16
8.2.50.0030.00518.07
8.2.40.0030.00518.21
8.2.30.0040.00419.45
8.2.20.0040.00417.73
8.2.10.0040.00417.74
8.2.00.0000.00717.64
8.1.280.0120.00325.92
8.1.270.0060.00323.99
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0080.00321.43
8.1.230.0080.00417.52
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0100.00017.35
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0030.00518.55
8.1.160.0040.00418.84
8.1.150.0030.00618.57
8.1.140.0000.00817.44
8.1.130.0000.00717.83
8.1.120.0030.00417.36
8.1.110.0040.00417.49
8.1.100.0000.00817.35
8.1.90.0030.00517.44
8.1.80.0030.00317.35
8.1.70.0000.00717.44
8.1.60.0000.00817.59
8.1.50.0040.00417.54
8.1.40.0030.00617.52
8.1.30.0000.00817.52
8.1.20.0030.00617.65
8.1.10.0040.00417.46
8.1.00.0000.00817.53
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0070.00018.51
8.0.270.0070.00017.31
8.0.260.0000.00716.79
8.0.250.0060.00017.06
8.0.240.0060.00316.99
8.0.230.0040.00416.88
8.0.220.0030.00316.96
8.0.210.0000.00716.93
8.0.200.0000.00616.89
8.0.190.0060.00317.00
8.0.180.0040.00416.94
8.0.170.0070.00016.91
8.0.160.0070.00016.99
8.0.150.0080.00016.82
8.0.140.0040.00416.94
8.0.130.0030.00313.34
8.0.120.0020.00516.90
8.0.110.0000.00716.96
8.0.100.0000.00816.90
8.0.90.0040.00416.84
8.0.80.0030.01216.94
8.0.70.0040.00417.06
8.0.60.0000.00716.82
8.0.50.0000.00717.01
8.0.30.0130.00517.05
8.0.20.0080.01117.40
8.0.10.0050.00217.18
8.0.00.0110.00916.86
7.4.330.0040.00414.94
7.4.320.0000.00716.61
7.4.300.0050.00216.50
7.4.290.0070.00016.40
7.4.280.0030.00316.61
7.4.270.0000.00716.48
7.4.260.0060.00013.30
7.4.250.0030.00316.53
7.4.240.0030.00416.53
7.4.230.0040.00316.61
7.4.220.0030.02016.65
7.4.210.0070.01016.57
7.4.200.0000.00716.34
7.4.190.0040.00416.64
7.4.160.0100.00616.49
7.4.150.0060.01317.40
7.4.140.0140.00817.86
7.4.130.0080.00916.50
7.4.120.0100.00916.70
7.4.110.0150.00616.57
7.4.100.0100.00716.53
7.4.90.0090.00916.61
7.4.80.0150.00819.39
7.4.70.0060.00916.34
7.4.60.0030.01316.60
7.4.50.0030.00616.54
7.4.40.0030.00922.77
7.4.30.0100.00716.68
7.4.00.0090.00614.89
7.3.330.0050.00013.19
7.3.320.0000.00513.35
7.3.310.0070.00016.33
7.3.300.0030.00316.23
7.3.290.0060.00916.30
7.3.280.0080.00716.34
7.3.270.0190.00317.40
7.3.260.0100.01018.24
7.3.250.0110.00616.39
7.3.240.0060.01116.28
7.3.230.0110.00616.55
7.3.210.0030.01316.49
7.3.200.0070.01519.39
7.3.190.0080.00816.38
7.3.180.0070.01416.61
7.3.170.0000.01916.67
7.3.160.0090.00816.55
7.3.120.0030.01314.77
7.2.330.0140.00416.72
7.2.320.0040.01316.90
7.2.310.0120.01216.82
7.2.300.0030.01316.61
7.2.290.0070.01016.85
7.2.60.0000.01116.91
7.2.00.0060.00919.59
7.1.200.0060.00615.91
7.1.100.0090.00318.36
7.1.70.0030.00716.87
7.1.60.0070.01719.17
7.1.50.0100.01316.93
7.1.00.0030.06722.45
7.0.200.0000.00716.61
7.0.140.0000.07722.12
7.0.100.0370.07720.00
7.0.90.0300.07319.92
7.0.80.0100.08019.87
7.0.70.0030.08019.93
7.0.60.0330.06320.08
7.0.50.0330.07320.19
7.0.40.0030.05020.11
7.0.30.0100.08020.11
7.0.20.0170.07720.10
7.0.10.0200.07019.98
7.0.00.0000.09319.95
5.6.280.0030.07721.02
5.6.250.0070.05020.61
5.6.240.0100.08320.58
5.6.230.0070.08320.75
5.6.220.0100.07320.59
5.6.210.0100.08020.63
5.6.200.0070.07021.13
5.6.190.0070.05321.03
5.6.180.0030.08321.14
5.6.170.0130.07021.04
5.6.160.0070.08021.18
5.6.150.0100.08021.11
5.6.140.0070.05321.09
5.6.130.0100.08021.04
5.6.120.0100.08021.11
5.6.110.0070.08021.08
5.6.100.0030.06321.16
5.6.90.0070.04321.09
5.6.80.0030.05720.49
5.6.70.0030.05020.46
5.6.60.0070.05320.44
5.6.50.0130.03720.41
5.6.40.0100.08020.43
5.6.30.0030.08020.30
5.6.20.0130.06320.44
5.6.10.0100.06320.44
5.6.00.0100.04020.28
5.5.380.0030.04720.52
5.5.370.0000.08320.57
5.5.360.0070.07020.41
5.5.350.0100.05020.48
5.5.340.0030.06720.81
5.5.330.0100.08020.88
5.5.320.0070.08020.93
5.5.310.0100.08320.88
5.5.300.0070.08020.80
5.5.290.0130.07720.90
5.5.280.0130.07720.88
5.5.270.0100.04720.83
5.5.260.0070.04320.87
5.5.250.0200.06320.72
5.5.240.0130.07020.11
5.5.230.0000.08720.25
5.5.220.0170.05320.31
5.5.210.0100.07320.22
5.5.200.0130.07320.12
5.5.190.0100.05320.24
5.5.180.0030.05320.24
5.5.160.0070.07720.28
5.5.150.0030.03720.15
5.5.140.0030.04020.19
5.5.130.0000.04320.28
5.5.120.0070.04020.27
5.5.110.0070.06320.23
5.5.100.0030.07320.17
5.5.90.0030.07720.16
5.5.80.0130.03720.07
5.5.70.0170.06019.97
5.5.60.0030.07720.04
5.5.50.0070.07720.06
5.5.40.0000.06720.16
5.5.30.0100.07720.14
5.5.20.0030.08320.14
5.5.10.0030.07719.94
5.5.00.0070.08020.04
5.4.450.0070.08319.37
5.4.440.0100.08019.37
5.4.430.0070.07319.44
5.4.420.0100.07319.46
5.4.410.0070.05019.29
5.4.400.0130.07319.09
5.4.390.0100.04019.23
5.4.380.0130.07019.02
5.4.370.0070.07019.13
5.4.360.0070.06719.16
5.4.350.0030.08019.05
5.4.340.0100.04019.05
5.4.320.0170.07019.16
5.4.310.0100.05719.12
5.4.300.0130.06318.94
5.4.290.0000.05319.15
5.4.280.0100.05718.90
5.4.270.0000.05319.03
5.4.260.0030.08018.87
5.4.250.0000.08719.04
5.4.240.0030.07319.08
5.4.230.0070.07719.04
5.4.220.0070.04318.85
5.4.210.0130.07018.88
5.4.200.0000.08019.04
5.4.190.0070.05019.16
5.4.180.0030.07719.16
5.4.170.0070.06719.14
5.4.160.0030.08019.10
5.4.150.0070.04718.92
5.4.140.0030.07316.50
5.4.130.0030.05716.52
5.4.120.0130.05316.46
5.4.110.0030.04716.45
5.4.100.0100.07016.44
5.4.90.0000.06716.54
5.4.80.0000.04716.54
5.4.70.0030.08016.46
5.4.60.0030.06016.32
5.4.50.0030.04016.47
5.4.40.0070.03316.53
5.4.30.0070.06016.46
5.4.20.0100.04016.49
5.4.10.0000.07316.47
5.4.00.0030.05015.93
5.3.290.0200.05714.69
5.3.280.0000.04714.67
5.3.270.0030.07014.75
5.3.260.0130.06714.54
5.3.250.0070.07314.71
5.3.240.0100.07014.67
5.3.230.0070.07714.58
5.3.220.0100.07014.66
5.3.210.0030.07314.58
5.3.200.0030.04314.64
5.3.190.0030.06714.63
5.3.180.0070.05014.71
5.3.170.0070.06714.68
5.3.160.0100.07014.63
5.3.150.0070.06314.63
5.3.140.0170.03314.58
5.3.130.0200.05314.70
5.3.120.0000.07714.54
5.3.110.0100.06714.56
5.3.100.0070.07314.01
5.3.90.0100.06714.03
5.3.80.0070.05014.03
5.3.70.0070.04314.01
5.3.60.0000.04014.02
5.3.50.0070.06014.01
5.3.40.0070.07014.07
5.3.30.0070.07713.98
5.3.20.0030.06013.68
5.3.10.0030.07313.68
5.3.00.0070.03013.57
5.2.170.0070.04712.27
5.2.160.0100.05712.27
5.2.150.0000.03312.27
5.2.140.0030.03012.27
5.2.130.0000.06012.27
5.2.120.0030.02712.27
5.2.110.0070.03712.27
5.2.100.0100.05712.27
5.2.90.0100.04012.27
5.2.80.0070.06312.27
5.2.70.0030.05712.27
5.2.60.0030.05712.27
5.2.50.0070.05012.27
5.2.40.0070.03312.27
5.2.30.0030.04012.27
5.2.20.0070.05012.27
5.2.10.0030.04312.27
5.2.00.0000.03312.27
5.1.60.0070.05012.27
5.1.50.0030.05312.27
5.1.40.0030.04712.27
5.1.30.0030.05312.27
5.1.20.0030.05712.27
5.1.10.0130.04712.27
5.1.00.0030.05312.27
5.0.50.0030.04712.27
5.0.40.0000.04712.27
5.0.30.0030.06312.27
5.0.20.0100.03712.27
5.0.10.0000.04012.27
5.0.00.0000.06312.27
4.4.90.0030.02712.27
4.4.80.0030.02012.27
4.4.70.0000.04012.27
4.4.60.0030.03712.27
4.4.50.0030.02712.27
4.4.40.0030.02012.27
4.4.30.0000.03312.27
4.4.20.0030.01712.27
4.4.10.0070.02312.27
4.4.00.0000.05312.27
4.3.110.0000.03012.27
4.3.100.0000.02312.27
4.3.90.0030.03312.27
4.3.80.0000.05312.27
4.3.70.0000.03712.27
4.3.60.0030.02312.27
4.3.50.0030.01312.27
4.3.40.0000.04312.27
4.3.30.0000.01712.27
4.3.20.0000.03312.27
4.3.10.0000.02012.27
4.3.00.0100.01012.27

preferences:
55.4 ms | 401 KiB | 5 Q