3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { abstract protected function meth(array $var); } class B extends A { public function meth($var) { return $var; } } $b = new B; echo $b->meth(33.3); // Fatal error: Declaration of B::meth($var) must be compatible with A::meth(int $var) in [...][...]on line [..]

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)
8.5.00.0130.00919.57
8.4.150.0010.00114.05
8.4.140.0120.00917.56
8.4.130.0070.00217.83
8.4.120.0080.00320.71
8.4.110.0080.00822.52
8.4.100.0100.01117.65
8.4.90.0150.00322.38
8.4.80.0040.00517.91
8.4.70.0050.00418.89
8.4.60.0130.00718.71
8.4.50.0090.01022.43
8.4.40.0160.00317.37
8.4.30.0100.01017.75
8.4.20.0100.01020.33
8.4.10.0090.00017.68
8.3.280.0130.00718.48
8.3.270.0120.00816.36
8.3.260.0140.00716.44
8.3.250.0130.00620.90
8.3.240.0110.00916.53
8.3.230.0040.00516.73
8.3.220.0080.01017.07
8.3.210.0130.00818.41
8.3.200.0030.00616.48
8.3.190.0100.00716.84
8.3.180.0130.00518.13
8.3.170.0070.01117.23
8.3.160.0050.00418.40
8.3.150.0090.00918.66
8.3.140.0080.00017.16
8.3.130.0050.00318.59
8.3.120.0050.00519.14
8.3.110.0040.00420.94
8.3.100.0000.00924.06
8.3.90.0160.00426.77
8.3.80.0060.00317.97
8.3.70.0090.00918.18
8.3.60.0100.01018.18
8.3.50.0070.00818.13
8.3.40.0130.00618.84
8.3.30.0150.00018.54
8.3.20.0080.00019.06
8.3.10.0030.00623.66
8.3.00.0040.00422.43
8.2.290.0130.00520.41
8.2.280.0120.00718.19
8.2.270.0110.00717.13
8.2.260.0070.00717.14
8.2.250.0040.00416.55
8.2.240.0050.00318.84
8.2.230.0090.00022.58
8.2.220.0080.00337.54
8.2.210.0110.00726.77
8.2.200.0100.00016.38
8.2.190.0180.00016.75
8.2.180.0060.00918.54
8.2.170.0140.00322.96
8.2.160.0070.00721.02
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0000.00822.13
8.2.120.0050.00326.35
8.2.110.0030.00620.95
8.2.100.0040.00817.72
8.2.90.0040.00417.63
8.2.80.0000.00817.97
8.2.70.0040.00418.04
8.2.60.0000.00717.97
8.2.50.0030.00518.10
8.2.40.0040.00421.11
8.2.30.0080.00020.55
8.2.20.0020.00517.92
8.2.10.0040.00417.91
8.2.00.0030.00319.42
8.1.330.0120.00721.93
8.1.320.0100.00916.23
8.1.310.0050.00318.33
8.1.300.0060.00319.63
8.1.290.0090.00330.84
8.1.280.0040.01125.92
8.1.270.0040.00422.19
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00420.82
8.1.230.0040.00718.83
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.25
8.1.180.0050.00318.10
8.1.170.0040.00418.76
8.1.160.0000.00818.77
8.1.150.0000.00718.74
8.1.140.0040.00418.93
8.1.130.0000.00718.92
8.1.120.0070.00017.41
8.1.110.0050.00217.32
8.1.100.0040.00417.39
8.1.90.0000.00717.36
8.1.80.0070.00017.45
8.1.70.0040.00417.39
8.1.60.0000.00817.49
8.1.50.0000.01017.32
8.1.40.0060.00617.43
8.1.30.0070.00317.65
8.1.20.0080.00017.69
8.1.10.0000.00717.53
8.1.00.0040.00417.52
8.0.300.0050.00218.77
8.0.290.0000.00916.63
8.0.280.0040.00418.45
8.0.270.0000.01017.27
8.0.260.0000.00618.55
8.0.250.0070.00316.92
8.0.240.0000.00816.92
8.0.230.0000.00716.80
8.0.220.0060.00316.82
8.0.210.0040.00416.68
8.0.200.0070.00016.86
8.0.190.0000.00816.76
8.0.180.0080.00016.83
8.0.170.0030.00616.75
8.0.160.0030.00516.82
8.0.150.0070.00016.79
8.0.140.0000.00816.75
8.0.130.0030.00313.21
8.0.120.0000.00816.80
8.0.110.0050.00316.82
8.0.100.0080.00016.86
8.0.90.0040.00416.73
8.0.80.0090.00916.75
8.0.70.0070.00016.87
8.0.60.0000.00716.74
8.0.50.0040.00416.78
8.0.30.0120.00817.19
8.0.20.0120.00717.40
8.0.10.0040.00417.00
8.0.00.0100.00916.53
7.4.330.0000.00515.55
7.4.320.0000.00716.55
7.4.300.0000.00716.51
7.4.290.0030.00316.59
7.4.280.0070.00016.42
7.4.270.0070.00016.45
7.4.260.0000.00816.59
7.4.250.0080.00016.49
7.4.240.0000.00716.49
7.4.230.0070.00016.43
7.4.220.0040.00416.69
7.4.210.0130.00116.50
7.4.200.0030.00616.67
7.4.160.0060.01016.58
7.4.140.0090.00917.86
7.4.130.0120.00816.43
7.4.120.0100.00916.51
7.4.110.0120.00616.45
7.4.100.0120.00916.45
7.4.90.0090.00916.37
7.4.80.0120.01116.50
7.4.70.0100.00816.22
7.4.60.0050.01316.30
7.4.50.0030.01116.24
7.4.40.0080.01016.30
7.4.30.0090.01016.06
7.4.20.0110.00616.54
7.4.10.0100.01016.11
7.4.00.0070.01116.31
7.3.330.0050.00013.27
7.3.320.0040.00413.23
7.3.310.0050.00216.26
7.3.300.0000.00716.24
7.3.290.0000.00716.15
7.3.280.0060.00816.22
7.3.260.0090.01116.19
7.3.240.0090.01016.35
7.3.230.0080.00816.19
7.3.210.0080.00816.41
7.3.200.0110.01119.39
7.3.190.0110.00816.23
7.3.180.0070.01016.25
7.3.170.0090.00916.24
7.3.160.0100.00816.25
7.3.150.0040.01416.28
7.3.140.0120.00616.44
7.3.130.0090.00916.21
7.3.120.0110.01116.27
7.3.110.0110.01116.17
7.3.100.0070.01116.22
7.3.90.0100.01016.10
7.3.80.0090.00916.44
7.3.70.0090.01416.23
7.3.60.0070.01116.18
7.3.50.0060.01216.23
7.3.40.0160.00316.30
7.3.30.0060.01216.12
7.3.20.0150.00318.11
7.3.10.0060.01218.08
7.3.00.0070.01118.04
7.2.330.0100.01316.67
7.2.320.0190.04116.68
7.2.310.0060.01216.43
7.2.300.0140.00516.60
7.2.290.0100.01016.54
7.2.280.0120.00916.44
7.2.270.0140.00416.48
7.2.260.0100.01416.49
7.2.250.0130.01016.39
7.2.240.0100.01316.67
7.2.230.0070.01016.54
7.2.220.0190.00016.43
7.2.210.0040.01216.53
7.2.200.0060.01616.41
7.2.190.0110.00716.42
7.2.180.0190.00316.48
7.2.170.0090.01016.55
7.2.160.0120.00616.52
7.2.150.0120.00618.17
7.2.140.0120.01218.19
7.2.130.0100.01018.36
7.2.120.0220.00318.26
7.2.110.0030.01918.26
7.2.100.0130.01018.41
7.2.90.0290.01416.58
7.2.80.0280.00916.42
7.2.70.0300.00716.61
7.2.60.0260.00916.59
7.2.50.0250.01016.75
7.2.40.0280.01116.63
7.2.30.0330.01016.71
7.2.20.0240.01616.60
7.2.10.0220.00916.65
7.2.00.0180.01116.48
7.1.330.0100.01017.12
7.1.320.0030.01416.94
7.1.310.0090.00916.86
7.1.300.0160.00616.96
7.1.290.0070.01616.94
7.1.280.0090.00916.92
7.1.270.0070.01016.84
7.1.260.0090.01216.99
7.1.250.0160.00716.76
7.1.240.0140.00817.01
7.1.230.0100.01316.86
7.1.220.0100.01316.83
7.1.210.0210.01415.29
7.1.200.0350.00915.27
7.1.190.0240.00715.42
7.1.180.0200.01215.30
7.1.170.0250.00715.22
7.1.160.0380.01015.29
7.1.150.0230.01115.40
7.1.140.0260.00715.30
7.1.130.0250.00615.25
7.1.120.0230.00915.29
7.1.110.0350.00315.34
7.1.100.0320.01415.41
7.1.90.0220.00715.43
7.1.80.0210.00815.32
7.1.70.0230.00515.04
7.1.60.0310.01124.15
7.1.50.0360.00324.20
7.1.40.0310.00724.21
7.1.30.0220.01524.29
7.1.20.0510.00924.24
7.1.10.0410.00515.34
7.1.00.0220.00915.45
7.0.330.0120.00616.80
7.0.320.0160.00616.78
7.0.310.0070.01416.82
7.0.300.0070.01116.72
7.0.290.0130.00716.75
7.0.280.0080.01117.00
7.0.270.0130.00616.80
7.0.260.0090.01016.99
7.0.250.0030.01716.77
7.0.240.0060.01617.01
7.0.230.0110.00717.11
7.0.220.0130.01016.82
7.0.210.0070.01416.68
7.0.200.0150.00316.88
7.0.190.0080.01116.88
7.0.180.0070.01116.93
7.0.170.0130.00616.84
7.0.160.0070.01116.76
7.0.150.0160.00617.04
7.0.140.0190.00316.86
7.0.130.0170.00016.63
7.0.120.0090.00917.02
7.0.110.0150.00916.93
7.0.100.0100.00617.00
7.0.90.0000.01616.75
7.0.80.0090.00615.09
7.0.70.0110.00414.98
7.0.60.0070.01115.02
7.0.50.0100.01015.04
7.0.40.0090.00614.85
7.0.30.0390.01015.04
7.0.20.0060.01215.11
7.0.10.0130.01114.79
7.0.00.0080.00815.03
5.6.400.0080.01115.70
5.6.390.0070.01115.48
5.6.380.0170.00715.79
5.6.370.0070.01715.70
5.6.360.0160.01515.75
5.6.350.0170.00515.60
5.6.340.0100.01415.82
5.6.330.0100.01515.78
5.6.320.0100.01315.43
5.6.310.0090.01215.77
5.6.300.0150.00915.79
5.6.290.0160.00715.52
5.6.280.0140.01115.61
5.6.270.0100.01015.84
5.6.260.0180.00515.74
5.6.250.0060.01315.66
5.6.240.0140.01115.91
5.6.230.0110.00715.70
5.6.220.0100.01015.72
5.6.210.0130.00615.56
5.6.200.0000.02415.60
5.6.190.0110.01415.46
5.6.180.0120.00615.55
5.6.170.0080.01015.68
5.6.160.0110.00915.75
5.6.150.0180.00015.73
5.6.140.0150.00615.63
5.6.130.0150.00615.78
5.6.120.0160.00315.83
5.6.110.0060.01215.43
5.6.100.0170.00315.81
5.6.90.0150.00415.85
5.6.80.0110.00715.68
5.6.70.0110.00615.67
5.6.60.0130.00615.49
5.6.50.0040.01515.56
5.6.40.0150.00615.57
5.6.30.0130.00615.40
5.6.20.0130.01315.64
5.6.10.0150.00615.52
5.6.00.0120.01215.57
5.5.380.0250.00615.76
5.5.370.0200.01115.39
5.5.360.0280.00415.55
5.5.350.0210.01015.70
5.5.340.0220.01115.51
5.5.330.0250.00515.60
5.5.320.0280.00415.47
5.5.310.0140.02315.66
5.5.300.0260.00615.44
5.5.290.0190.01315.78
5.5.280.0220.01115.52
5.5.270.0160.02015.64
5.5.260.0130.01715.47
5.5.250.0210.01415.34
5.5.240.0170.01215.47
5.5.230.0180.01815.34
5.5.220.0180.01315.62
5.5.210.0130.01515.36
5.5.200.0150.01515.49
5.5.190.0280.00815.58
5.5.180.0270.01415.77
5.5.170.0290.00415.32
5.5.160.0160.01615.32
5.5.150.0260.00715.68
5.5.140.0160.01615.35
5.5.130.0210.01215.51
5.5.120.0140.01715.43
5.5.110.0230.01015.48
5.5.100.0210.00715.31
5.5.90.0160.01315.64
5.5.80.0160.01615.27
5.5.70.0270.00715.43
5.5.60.0270.01215.50
5.5.50.0320.00715.31
5.5.40.0280.01015.22
5.5.30.0140.02015.59
5.5.20.0230.00815.59
5.5.10.0210.00615.52
5.5.00.0210.00815.21
5.4.450.0120.00912.39
5.4.440.0170.00812.43
5.4.430.0110.01112.61
5.4.420.0160.00812.39
5.4.410.0160.01012.48
5.4.400.0180.00912.44
5.4.390.0200.00712.48
5.4.380.0120.01112.25
5.4.370.0140.00812.30
5.4.360.0090.01812.30
5.4.350.0220.00812.25
5.4.340.0230.00712.35
5.4.330.0190.00912.43
5.4.320.0130.01312.60
5.4.310.0160.00912.46
5.4.300.0120.01212.22
5.4.290.0130.01012.29
5.4.280.0210.00712.30
5.4.270.0120.00912.26
5.4.260.0200.00312.38
5.4.250.0190.00612.27
5.4.240.0190.00512.34
5.4.230.0190.00512.46
5.4.220.0090.01712.28
5.4.210.0190.00412.25
5.4.200.0170.00612.32
5.4.190.0150.00812.29
5.4.180.0170.00712.39
5.4.170.0230.00312.45
5.4.160.0160.01012.34
5.4.150.0210.00612.49
5.4.140.0170.00612.65
5.4.130.0180.00912.69
5.4.120.0210.00612.42
5.4.110.0150.01112.63
5.4.100.0140.01012.48
5.4.90.0140.01112.46
5.4.80.0210.00712.35
5.4.70.0170.01012.20
5.4.60.0170.00612.38
5.4.50.0200.00512.52
5.4.40.0150.00612.46
5.4.30.0080.01612.40
5.4.20.0160.00612.57
5.4.10.0150.00712.57
5.4.00.0170.00812.42
5.3.290.0220.00612.95
5.3.280.0100.01212.82
5.3.270.0160.01612.77
5.3.260.0180.01113.01
5.3.250.0170.00912.71
5.3.240.0200.00612.59
5.3.230.0180.00912.69
5.3.220.0160.01012.72
5.3.210.0160.00812.68
5.3.200.0160.01112.80
5.3.190.0180.01212.71
5.3.180.0190.01113.03
5.3.170.0120.01213.00
5.3.160.0090.01912.91
5.3.150.0210.00612.84
5.3.140.0160.01012.77
5.3.130.0160.00812.95
5.3.120.0100.01412.80
5.3.110.0200.00913.06
5.3.100.0190.01312.79
5.3.90.0200.00412.84
5.3.80.0210.00812.71
5.3.70.0170.00612.85
5.3.60.0150.00612.91
5.3.50.0130.00912.77
5.3.40.0120.01612.78
5.3.30.0130.01712.84
5.3.20.0080.01612.83
5.3.10.0150.00912.62
5.3.00.0070.01412.48
5.2.170.0110.00611.98
5.2.160.0170.00711.74
5.2.150.0110.00811.78
5.2.140.0140.00711.72
5.2.130.0140.00511.86
5.2.120.0160.00511.89
5.2.110.0120.00712.02
5.2.100.0120.00611.73
5.2.90.0070.01111.88
5.2.80.0130.00711.66
5.2.70.0090.01011.83
5.2.60.0100.01011.66
5.2.50.0160.00611.73
5.2.40.0110.01111.85
5.2.30.0110.01111.79
5.2.20.0130.00511.65
5.2.10.0160.00711.64
5.2.00.0000.01811.44
5.1.60.0100.00710.77
5.1.50.0070.01110.76
5.1.40.0090.00911.03
5.1.30.0080.00811.11
5.1.20.0150.00210.99
5.1.10.0130.00310.82
5.1.00.0130.00310.67
5.0.50.0140.00010.11
5.0.40.0140.0009.88
5.0.30.0000.0149.79
5.0.20.0110.0039.86
5.0.10.0090.0069.79
5.0.00.0060.0069.90
4.4.90.0100.0009.79
4.4.80.0060.0039.79
4.4.70.0090.0009.79
4.4.60.0060.0029.79
4.4.50.0040.0079.79
4.4.40.0080.0009.79
4.4.30.0020.0069.79
4.4.20.0080.0009.79
4.4.10.0000.0099.79
4.4.00.0060.0029.79
4.3.110.0080.0009.79
4.3.100.0040.0049.79
4.3.90.0060.0039.79
4.3.80.0090.0009.79
4.3.70.0090.0009.79
4.3.60.0110.0009.79
4.3.50.0050.0059.79
4.3.40.0080.0009.79
4.3.30.0000.0079.79
4.3.20.0050.0039.79
4.3.10.0000.0079.79
4.3.00.0000.0079.79

preferences:
172.69 ms | 403 KiB | 5 Q