3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Foo {} class Bar implements Foo {} $bar = new Bar(); var_dump(is_a('Bar', 'Foo'));

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)
8.3.60.0100.01018.30
8.3.50.0110.00321.02
8.3.40.0070.01418.50
8.3.30.0000.01518.46
8.3.20.0080.00018.63
8.3.10.0050.00320.42
8.3.00.0060.00319.25
8.2.180.0170.00316.50
8.2.170.0090.00622.96
8.2.160.0130.00322.09
8.2.150.0090.00024.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0040.00419.89
8.2.110.0000.01020.38
8.2.100.0090.00317.91
8.2.90.0030.00619.17
8.2.80.0000.00817.97
8.2.70.0090.00017.50
8.2.60.0050.00318.04
8.2.50.0030.00618.07
8.2.40.0030.00618.16
8.2.30.0040.00419.85
8.2.20.0000.00817.68
8.2.10.0040.00417.71
8.2.00.0030.00517.66
8.1.280.0070.00725.92
8.1.270.0030.00623.99
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0030.00622.06
8.1.230.0000.01117.45
8.1.220.0040.00417.76
8.1.210.0000.00818.77
8.1.200.0060.00317.25
8.1.190.0070.00017.41
8.1.180.0050.00218.10
8.1.170.0000.00718.75
8.1.160.0030.00318.80
8.1.150.0000.00818.74
8.1.140.0040.00417.43
8.1.130.0030.00317.80
8.1.120.0000.00717.50
8.1.110.0000.00817.43
8.1.100.0000.00717.50
8.1.90.0030.00317.45
8.1.80.0000.00717.40
8.1.70.0040.00417.41
8.1.60.0040.00417.57
8.1.50.0030.00617.37
8.1.40.0040.00417.50
8.1.30.0080.00017.67
8.1.20.0030.00617.67
8.1.10.0000.00817.40
8.1.00.0060.00317.35
8.0.300.0000.00818.77
8.0.290.0000.00816.63
8.0.280.0030.00318.30
8.0.270.0000.00717.24
8.0.260.0000.00716.71
8.0.250.0050.00216.97
8.0.240.0030.00616.93
8.0.230.0040.00416.81
8.0.220.0000.00716.89
8.0.210.0040.00416.86
8.0.200.0050.00216.97
8.0.190.0060.00316.86
8.0.180.0100.00016.89
8.0.170.0030.00616.90
8.0.160.0030.00316.97
8.0.150.0030.00516.79
8.0.140.0040.00416.85
8.0.130.0070.00013.38
8.0.120.0000.00816.78
8.0.110.0000.00716.85
8.0.100.0000.00816.75
8.0.90.0040.00416.76
8.0.80.0040.01116.93
8.0.70.0040.00416.75
8.0.60.0040.00416.88
8.0.50.0000.00716.90
8.0.30.0090.01016.91
8.0.20.0080.01117.40
8.0.10.0070.00017.12
8.0.00.0050.01316.72
7.4.330.0000.00513.43
7.4.320.0000.00616.55
7.4.300.0000.00616.61
7.4.290.0040.00416.45
7.4.280.0040.00416.40
7.4.270.0040.00416.61
7.4.260.0000.00513.23
7.4.250.0070.00016.54
7.4.240.0050.00316.53
7.4.230.0070.00016.61
7.4.220.0120.00616.64
7.4.210.0100.00616.56
7.4.200.0070.00016.61
7.4.190.0040.00416.48
7.4.160.0080.00816.43
7.4.150.0090.00917.40
7.4.140.0080.01117.18
7.4.130.0130.00416.41
7.4.120.0070.01016.44
7.4.110.0090.00916.32
7.4.100.0160.00616.52
7.4.90.0030.01516.43
7.4.80.0060.01219.03
7.4.70.0040.01516.55
7.4.60.0120.00416.51
7.4.50.0060.00316.49
7.4.40.0060.00922.27
7.4.30.0080.01216.18
7.4.00.0000.01015.00
7.3.330.0000.00513.00
7.3.320.0030.00313.22
7.3.310.0070.00016.16
7.3.300.0030.00316.03
7.3.290.0070.01116.23
7.3.280.0120.00416.15
7.3.270.0050.01317.40
7.3.260.0140.00418.24
7.3.250.0130.00516.40
7.3.240.0060.00916.39
7.3.230.0030.01316.39
7.3.210.0110.01116.05
7.3.200.0130.00319.39
7.3.190.0090.01116.37
7.3.180.0120.00316.54
7.3.170.0040.01416.53
7.3.160.0110.00516.20
7.3.120.0120.00314.69
7.3.10.0070.00616.68
7.3.00.0090.00416.65
7.2.330.0030.01616.53
7.2.320.0030.01216.32
7.2.310.0090.01216.55
7.2.300.0100.00716.61
7.2.290.0070.01016.32
7.2.130.0060.00716.59
7.2.120.0050.00716.73
7.2.110.0060.01016.94
7.2.100.0080.00916.78
7.2.90.0090.00316.92
7.2.80.0080.00516.92
7.2.70.0090.00516.80
7.2.60.0100.00516.89
7.2.50.0070.00716.82
7.2.40.0080.00716.85
7.2.30.0090.00516.69
7.2.20.0000.01416.89
7.2.10.0080.00816.84
7.2.00.0040.00917.71
7.1.250.0050.00815.49
7.1.240.0030.01015.66
7.1.230.0090.00015.73
7.1.220.0000.01315.61
7.1.210.0100.00315.60
7.1.200.0120.00315.45
7.1.190.0030.01015.74
7.1.180.0000.01515.43
7.1.170.0040.01115.83
7.1.160.0060.00315.59
7.1.150.0120.00315.62
7.1.140.0110.00415.62
7.1.130.0000.01115.44
7.1.120.0110.00715.61
7.1.110.0030.00715.71
7.1.100.0020.01016.70
7.1.90.0030.00615.73
7.1.80.0130.00015.80
7.1.70.0030.00616.12
7.1.60.0110.00517.43
7.1.50.0050.00916.25
7.1.40.0040.00415.70
7.1.30.0030.01215.71
7.1.20.0060.00615.61
7.1.10.0090.00015.58
7.1.00.0060.04119.09
7.0.330.0030.01015.29
7.0.320.0060.00614.98
7.0.310.0140.00015.19
7.0.300.0000.01215.08
7.0.290.0030.01015.38
7.0.280.0100.00315.39
7.0.270.0060.00915.34
7.0.260.0060.01015.27
7.0.250.0110.00415.17
7.0.240.0000.01515.26
7.0.230.0100.00715.13
7.0.220.0060.00615.37
7.0.210.0040.01115.38
7.0.200.0090.00516.07
7.0.190.0130.00315.32
7.0.180.0120.00315.32
7.0.170.0000.01115.43
7.0.160.0080.00015.39
7.0.150.0000.01415.46
7.0.140.0050.03718.85
7.0.130.0120.00315.45
7.0.120.0000.00915.35
7.0.110.0100.00315.09
7.0.100.0060.00315.23
7.0.90.0070.00715.33
7.0.80.0040.00715.30
7.0.70.0030.01015.37
7.0.60.0080.04017.56
7.0.50.0030.05116.66
7.0.40.0090.04215.49
7.0.30.0060.02515.58
7.0.20.0030.03815.41
7.0.10.0120.03515.56
7.0.00.0040.04415.62
5.6.380.0060.00314.38
5.6.370.0050.00814.18
5.6.360.0000.01314.54
5.6.350.0040.01114.32
5.6.340.0110.00314.22
5.6.330.0030.01014.41
5.6.320.0090.00314.35
5.6.310.0030.01314.48
5.6.300.0050.00314.40
5.6.290.0040.01114.47
5.6.280.0000.04417.52
5.6.270.0030.00914.14
5.6.260.0060.00914.25
5.6.250.0040.01114.17
5.6.240.0060.00314.13
5.6.230.0030.01314.14
5.6.220.0110.00314.35
5.6.210.0030.02817.42
5.6.200.0070.04716.25
5.6.190.0050.04016.40
5.6.180.0080.04516.33
5.6.170.0130.01816.31
5.6.160.0100.04016.06
5.6.150.0030.03316.18
5.6.140.0030.02516.28
5.6.130.0080.04516.33
5.6.120.0050.04716.29
5.6.110.0050.04616.17
5.6.100.0070.04016.16
5.6.90.0070.04616.10
5.6.80.0120.03515.87
5.6.70.0070.03915.93
5.6.60.0070.02715.91
5.6.50.0060.04415.90
5.6.40.0120.02815.88
5.6.30.0050.03815.93
5.6.20.0070.03015.88
5.6.10.0040.02415.82
5.6.00.0110.03815.84
5.5.380.0100.00011.47
5.5.370.0030.00710.98
5.5.360.0000.01011.15
5.5.350.2030.02515.71
5.5.340.0060.03814.33
5.5.330.0070.04314.42
5.5.320.0070.02714.36
5.5.310.0100.02314.57
5.5.300.0030.04014.56
5.5.290.0070.04414.55
5.5.280.0070.03014.41
5.5.270.0080.03814.64
5.5.260.0020.03014.58
5.5.250.0000.03614.43
5.5.240.0070.04214.08
5.5.230.0050.03014.06
5.5.220.0100.02214.26
5.5.210.0070.02314.09
5.5.200.0070.03814.30
5.5.190.0050.02514.17
5.5.180.0090.03114.08
5.5.170.0030.00911.15
5.5.160.0020.02614.08
5.5.150.0050.04214.26
5.5.140.0080.02414.21
5.5.130.0100.03714.25
5.5.120.0070.02814.23
5.5.110.0040.04214.04
5.5.100.0060.04114.06
5.5.90.0070.04114.05
5.5.80.0070.03014.19
5.5.70.0070.02214.13
5.5.60.0010.02314.06
5.5.50.0050.02214.25
5.5.40.0050.02114.20
5.5.30.0040.02214.10
5.5.20.0080.01814.05
5.5.10.0060.02514.17
5.5.00.0040.02214.20
5.4.450.0020.04015.11
5.4.440.0030.03015.26
5.4.430.0050.04415.18
5.4.420.0080.03515.25
5.4.410.0030.04314.96
5.4.400.0000.04115.04
5.4.390.0080.03814.77
5.4.380.0090.03215.03
5.4.370.0070.03814.89
5.4.360.0070.04015.03
5.4.350.0030.02215.16
5.4.340.0020.03415.04
5.4.330.0000.01010.68
5.4.320.0060.02215.04
5.4.310.0060.02614.79
5.4.300.0100.03214.84
5.4.290.0050.02214.97
5.4.280.0030.03814.94
5.4.270.0070.04415.03
5.4.260.0060.02514.93
5.4.250.0100.03815.14
5.4.240.0020.03415.01
5.4.230.0090.01914.96
5.4.220.0050.02014.94
5.4.210.0050.01915.11
5.4.200.0060.01715.15
5.4.190.0070.01814.96
5.4.180.0030.02314.92
5.4.170.0070.03814.99
5.4.160.0040.02315.02
5.4.150.0030.02314.88
5.4.140.0050.01813.69
5.4.130.0000.02413.63
5.4.120.0100.01513.76
5.4.110.0040.01713.78
5.4.100.0020.02113.51
5.4.90.0020.02013.54
5.4.80.0030.02613.74
5.4.70.0000.02213.76
5.4.60.0050.01913.76
5.4.50.0030.02113.78
5.4.40.0030.01813.63
5.4.30.0050.01913.69
5.4.20.0000.02213.68
5.4.10.0030.02013.72
5.4.00.0030.02113.54
5.3.290.0080.03112.71
5.3.280.0000.02512.55
5.3.270.0020.02312.65
5.3.260.0070.02712.47
5.3.250.0050.01612.62
5.3.240.0020.02312.66
5.3.230.0030.02012.59
5.3.220.0000.02312.47
5.3.210.0050.01812.34
5.3.200.0000.02312.54
5.3.190.0030.02012.48
5.3.180.0100.02012.45
5.3.170.0020.02012.48
5.3.160.0030.02012.45
5.3.150.0020.02312.41
5.3.140.0030.02112.57
5.3.130.0040.02012.53
5.3.120.0070.01812.50
5.3.110.0050.02012.50
5.3.100.0000.02312.31
5.3.90.0040.02012.22
5.3.80.0000.02312.19
5.3.70.0010.02012.23
5.3.60.0020.01912.29
5.3.50.0060.01812.06
5.3.40.0050.01712.18
5.3.30.0030.01912.10
5.3.20.0030.03011.99
5.3.10.0070.02511.88
5.3.00.0020.03011.84
5.2.170.0050.02010.40
5.2.160.0030.02010.19
5.2.150.0010.03310.32
5.2.140.0030.01810.28
5.2.130.0050.03010.25
5.2.120.0030.03210.29
5.2.110.0050.03110.16
5.2.100.0000.02010.07
5.2.90.0090.01210.29
5.2.80.0090.03010.17
5.2.70.0030.03510.11
5.2.60.0050.03110.12
5.2.50.0050.02810.17
5.2.40.0050.03210.11
5.2.30.0020.02910.12
5.2.20.0050.03310.10
5.2.10.0050.0289.88
5.2.00.0060.0269.81
5.1.60.0050.0269.09
5.1.50.0080.0229.29
5.1.40.0050.0259.30
5.1.30.0030.0309.62
5.1.20.0030.0239.33
5.1.10.0030.0279.24
5.1.00.0030.0309.13
5.0.50.0000.0278.41
5.0.40.0030.0148.36
5.0.30.0000.0348.36
5.0.20.0050.0138.36
5.0.10.0000.0158.36
5.0.00.0030.0188.36
4.4.90.0030.0198.36
4.4.80.0000.0148.36
4.4.70.0020.0228.36
4.4.60.0030.0178.36
4.4.50.0020.0208.36
4.4.40.0020.0248.36
4.4.30.0000.0208.36
4.4.20.0000.0218.36
4.4.10.0000.0238.36
4.4.00.0040.0238.36
4.3.110.0000.0188.36
4.3.100.0020.0118.36
4.3.90.0000.0148.36
4.3.80.0000.0168.36
4.3.70.0000.0148.36
4.3.60.0020.0108.36
4.3.50.0000.0178.36
4.3.40.0000.0308.36
4.3.30.0020.0188.36
4.3.20.0000.0178.36
4.3.10.0040.0108.36
4.3.00.0020.0118.36

preferences:
43.66 ms | 400 KiB | 5 Q