3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * @legacy */ interface A { function foo(); } /** * Supersedes legacy interface A */ interface B extends A { /** * @param int|null $x * Optional parameter added in new version. */ # function foo($x = NULL); } class C implements B { function foo($x = NULL) {} }

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)
8.3.60.0140.00318.43
8.3.50.0080.00822.05
8.3.40.0130.01018.57
8.3.30.0100.00319.09
8.3.20.0040.00420.33
8.3.10.0040.00422.10
8.3.00.0000.00822.46
8.2.180.0170.00325.92
8.2.170.0160.00618.97
8.2.160.0030.01022.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00419.24
8.2.110.0030.00619.27
8.2.100.0040.01117.78
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0080.00017.38
8.2.60.0060.00617.66
8.2.50.0040.00418.07
8.2.40.0000.00819.95
8.2.30.0000.00717.96
8.2.20.0040.00417.66
8.2.10.0040.00417.63
8.2.00.0060.00317.68
8.1.280.0170.00325.92
8.1.270.0000.00824.66
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00622.05
8.1.230.0040.00820.86
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0060.00317.10
8.1.180.0040.00418.70
8.1.170.0040.00418.64
8.1.160.0030.00322.14
8.1.150.0040.00418.45
8.1.140.0000.00717.31
8.1.130.0060.00317.63
8.1.120.0030.00317.33
8.1.110.0000.00817.41
8.1.100.0030.00517.36
8.1.90.0000.00717.42
8.1.80.0040.00417.29
8.1.70.0030.00517.36
8.1.60.0080.00017.43
8.1.50.0060.00317.34
8.1.40.0040.00417.41
8.1.30.0040.00417.40
8.1.20.0030.00517.44
8.1.10.0040.00417.29
8.1.00.0060.00317.21
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0000.00718.29
8.0.270.0000.00716.64
8.0.260.0030.00316.76
8.0.250.0030.00316.93
8.0.240.0080.00016.80
8.0.230.0080.00016.85
8.0.220.0070.00016.67
8.0.210.0000.00716.74
8.0.200.0040.00416.88
8.0.190.0050.00316.78
8.0.180.0040.00416.84
8.0.170.0080.00016.76
8.0.160.0000.00716.84
8.0.150.0050.00316.78
8.0.140.0000.00716.83
8.0.130.0000.00613.18
8.0.120.0020.00516.81
8.0.110.0040.00416.81
8.0.100.0050.00516.90
8.0.90.0000.00816.84
8.0.80.0030.01416.87
8.0.70.0050.00216.71
8.0.60.0000.00716.68
8.0.50.0040.00416.69
8.0.30.0100.00916.90
8.0.20.0070.01117.24
8.0.10.0000.01416.89
8.0.00.0070.01016.66
7.4.330.0050.00015.00
7.4.320.0030.00316.48
7.4.300.0070.00016.43
7.4.290.0050.00216.54
7.4.280.0030.00316.39
7.4.270.0080.00016.47
7.4.260.0040.00416.50
7.4.250.0040.00416.41
7.4.240.0020.00516.52
7.4.230.0040.00416.34
7.4.220.0030.01316.50
7.4.210.0020.01216.49
7.4.200.0000.00716.64
7.4.190.0000.00716.48
7.4.160.0070.00916.46
7.4.150.0090.00716.94
7.4.140.0080.00817.40
7.4.130.0090.00816.48
7.4.120.0090.00716.38
7.4.110.0090.00816.42
7.4.100.0060.01016.40
7.4.90.0090.00616.36
7.4.80.0030.01217.80
7.4.70.0060.01316.48
7.4.60.0070.01016.44
7.4.50.0070.00416.37
7.4.40.0100.00319.59
7.4.30.0050.00916.52
7.4.20.0080.00616.25
7.4.10.0060.01216.44
7.4.00.0080.00815.71
7.3.330.0020.00213.01
7.3.320.0000.00513.13
7.3.310.0000.00716.04
7.3.300.0000.00616.20
7.3.290.0000.01316.17
7.3.280.0050.01016.17
7.3.270.0040.01016.78
7.3.260.0130.00516.21
7.3.250.0080.01016.35
7.3.240.0120.00316.22
7.3.230.0100.00716.26
7.3.220.0030.01016.11
7.3.210.0090.00716.18
7.3.200.0080.01017.76
7.3.190.0050.01116.21
7.3.180.0040.01016.25
7.3.170.0060.00916.30
7.3.160.0060.00816.35
7.3.150.0070.00716.15
7.3.140.0070.01016.09
7.3.130.0000.01716.22
7.3.120.0060.01015.32
7.3.110.0060.00616.01
7.3.100.0140.00016.03
7.3.90.0000.01316.34
7.3.80.0030.01116.06
7.3.70.0070.00716.29
7.3.60.0030.01016.31
7.3.50.0030.01016.43
7.3.40.0090.01016.34
7.3.30.0110.00316.29
7.3.20.0030.01016.36
7.3.10.0100.00716.33
7.3.00.0070.00616.27
7.2.340.0210.00716.30
7.2.330.0160.00616.46
7.2.320.0130.00716.24
7.2.310.0130.00816.39
7.2.300.0150.00616.26
7.2.290.0200.00616.31
7.2.280.0170.00716.21
7.2.270.0130.01316.16
7.2.260.0150.01316.20
7.2.250.0170.00916.30
7.2.240.0100.01416.23
7.2.230.0190.00816.14
7.2.220.0180.01116.32
7.2.210.0260.00016.15
7.2.200.0190.00816.29
7.2.190.0220.00316.40
7.2.180.0220.00316.45
7.2.170.0180.00716.49
7.2.160.0210.00516.38
7.2.150.0180.00916.43
7.2.140.0160.01016.50
7.2.130.0220.00316.62
7.2.120.0130.01216.54
7.2.110.0110.00916.44
7.2.100.0120.00616.59
7.2.90.0150.00816.27
7.2.80.0100.01216.50
7.2.70.0110.00716.61
7.2.60.0120.00716.70
7.2.50.0160.00616.62
7.2.40.0170.00316.78
7.2.30.0140.00616.52
7.2.20.0100.01216.63
7.2.10.0130.00916.60
7.2.00.0100.00917.59
7.1.330.0110.01615.60
7.1.320.0080.01315.50
7.1.310.0130.01015.41
7.1.300.0160.00615.41
7.1.290.0120.01215.54
7.1.280.0170.01215.54
7.1.270.0190.00315.48
7.1.260.0110.01115.41
7.1.250.0170.00715.38
7.1.240.0420.00615.42
7.1.230.0080.01015.53
7.1.220.0150.00415.55
7.1.210.0170.00615.37
7.1.200.0100.00815.60
7.1.190.0100.00815.64
7.1.180.0080.01015.50
7.1.170.0130.00615.53
7.1.160.0140.00315.56
7.1.150.0100.00815.57
7.1.140.0120.00615.49
7.1.130.0120.00715.43
7.1.120.0090.00715.54
7.1.110.0090.01215.51
7.1.100.0070.00916.33
7.1.90.0130.00515.48
7.1.80.0130.00715.55
7.1.70.0180.00815.88
7.1.60.0120.00617.02
7.1.50.0120.00715.89
7.1.40.0130.00715.64
7.1.30.0100.01015.67
7.1.20.0110.00715.61
7.1.10.0160.00215.48
7.1.00.0080.03117.76
7.0.330.0150.00614.98
7.0.320.0110.01115.00
7.0.310.0140.00515.16
7.0.300.0140.00515.10
7.0.290.0310.00715.09
7.0.280.0090.00915.16
7.0.270.0120.00515.24
7.0.260.0110.00815.20
7.0.250.0100.00715.21
7.0.240.0090.01015.22
7.0.230.0080.00615.34
7.0.220.0120.00315.14
7.0.210.0110.00315.02
7.0.200.0080.00615.74
7.0.190.0060.00815.29
7.0.180.0130.00515.31
7.0.170.0130.00415.31
7.0.160.0130.00715.21
7.0.150.0090.00515.15
7.0.140.0090.02717.46
7.0.130.0060.00815.24
7.0.120.0120.00715.32
7.0.110.0070.03316.84
7.0.100.0120.02916.85
7.0.90.0070.02816.79
7.0.80.0080.03516.71
7.0.70.0090.01716.77
7.0.60.0080.03316.80
7.0.50.0100.03016.97
7.0.40.0090.03016.15
7.0.30.0070.03616.16
7.0.20.0060.02316.13
7.0.10.0120.02616.27
7.0.00.0060.02616.16
5.6.400.0160.01015.61
5.6.390.0110.01115.62
5.6.380.0130.00715.06
5.6.370.0100.00814.91
5.6.360.0100.01315.02
5.6.350.0100.00814.85
5.6.340.0100.00414.95
5.6.330.0080.00814.99
5.6.320.0070.01114.88
5.6.310.0110.00515.00
5.6.300.0120.00514.79
5.6.290.0070.00714.75
5.6.280.0060.03316.88
5.6.270.0120.00514.84
5.6.260.0100.03016.81
5.6.250.0100.02616.74
5.6.240.0050.02516.84
5.6.230.0120.02316.84
5.6.220.0080.02116.89
5.6.210.0100.01816.78
5.6.200.0070.02317.06
5.6.190.0100.03117.09
5.6.180.0090.03117.06
5.6.170.0090.02217.02
5.6.160.0130.02616.99
5.6.150.0050.03917.05
5.6.140.0160.02716.93
5.6.130.0100.03217.02
5.6.120.0090.03116.86
5.6.110.0090.03217.01
5.6.100.0110.03116.97
5.6.90.0100.03317.02
5.6.80.0130.02516.83
5.6.70.0090.03116.74
5.6.60.0090.03116.70
5.6.50.0110.02416.81
5.6.40.0090.03016.68
5.6.30.0090.03116.82
5.6.20.0120.02816.68
5.6.10.0090.03016.80
5.6.00.0070.03416.70
5.5.380.0130.02615.67
5.5.370.0060.03315.73
5.5.360.0120.01815.77
5.5.350.0120.02715.74
5.5.340.0090.02415.80
5.5.330.0070.03115.85
5.5.320.0100.02715.78
5.5.310.0110.02815.84
5.5.300.0130.03015.82
5.5.290.0110.02815.76
5.5.280.0100.03215.85
5.5.270.0100.03115.77
5.5.260.0060.03515.87
5.5.250.0130.02415.78
5.5.240.0140.02315.50
5.5.230.0070.02215.58
5.5.220.0040.03315.56
5.5.210.0060.02915.60
5.5.200.0080.02715.65
5.5.190.0120.02815.48
5.5.180.0110.02415.54
5.5.170.0080.00814.68
5.5.160.0080.03215.44
5.5.150.0080.02815.56
5.5.140.0100.02815.36
5.5.130.0080.03315.37
5.5.120.0070.02415.51
5.5.110.0160.02515.49
5.5.100.0090.02515.45
5.5.90.0120.02715.46
5.5.80.0100.02815.59
5.5.70.0100.02515.45
5.5.60.0060.03215.52
5.5.50.0080.02715.50
5.5.40.0140.01915.55
5.5.30.0130.02415.55
5.5.20.0100.02715.64
5.5.10.0110.02615.58
5.5.00.0060.03415.61
5.4.450.0110.02414.32
5.4.440.0090.01714.25
5.4.430.0120.02414.28
5.4.420.0140.02414.25
5.4.410.0060.02614.15
5.4.400.0070.01814.13
5.4.390.0100.02414.09
5.4.380.0080.02714.22
5.4.370.0080.02714.09
5.4.360.0040.03014.21
5.4.350.0090.02614.02
5.4.340.0090.02814.14
5.4.330.0060.00911.54
5.4.320.0040.03214.22
5.4.310.0070.02314.17
5.4.300.0080.02914.21
5.4.290.0060.02914.07
5.4.280.0080.02114.25
5.4.270.0100.02614.13
5.4.260.0100.02914.10
5.4.250.0050.03314.22
5.4.240.0100.02814.08
5.4.230.0140.02214.00
5.4.220.0120.02514.08
5.4.210.0040.03014.16
5.4.200.0100.01414.03
5.4.190.0060.03314.21
5.4.180.0070.02814.17
5.4.170.0050.02214.12
5.4.160.0080.02714.24
5.4.150.0060.02414.24
5.4.140.0100.02813.25
5.4.130.0080.02213.34
5.4.120.0080.02913.26
5.4.110.0100.02413.33
5.4.100.0040.03013.15
5.4.90.0060.03013.28
5.4.80.0080.02613.34
5.4.70.0060.02813.26
5.4.60.0090.02413.34
5.4.50.0090.02413.35
5.4.40.0070.01913.23
5.4.30.0070.02413.28
5.4.20.0070.02813.29
5.4.10.0100.02813.13
5.4.00.0030.03013.02
5.3.290.0090.02912.71
5.3.280.0080.02012.76
5.3.270.0100.02412.75
5.3.260.0080.03012.69
5.3.250.0060.02812.72
5.3.240.0060.02912.66
5.3.230.0080.02912.69
5.3.220.0070.03112.76
5.3.210.0060.02912.65
5.3.200.0070.02012.66
5.3.190.0090.02912.67
5.3.180.0070.02012.69
5.3.170.0060.03112.66
5.3.160.0090.01712.74
5.3.150.0060.03012.77
5.3.140.0070.03112.72
5.3.130.0080.02912.64
5.3.120.0050.03012.65
5.3.110.0090.02812.67
5.3.100.0070.02812.58
5.3.90.0060.03112.48
5.3.80.0050.02412.43
5.3.70.0060.02912.46
5.3.60.0060.03212.49
5.3.50.0050.02912.45
5.3.40.0060.02812.46
5.3.30.0080.02612.45
5.3.20.0080.02412.45
5.3.10.0050.02012.30
5.3.00.0060.02612.28

preferences:
50.38 ms | 401 KiB | 5 Q