3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo {} var_dump(is_subclass_of('Foo', 'stdClass'));

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)
8.3.40.0070.00718.51
8.3.30.0110.00719.10
8.3.20.0120.00320.03
8.3.10.0080.00021.90
8.3.00.0090.00017.25
8.2.170.0130.00722.96
8.2.160.0070.00720.34
8.2.150.0110.00424.18
8.2.140.0140.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00722.08
8.2.110.0090.00020.95
8.2.100.0110.00017.78
8.2.90.0050.00318.96
8.2.80.0050.00517.97
8.2.70.0030.00717.50
8.2.60.0000.00717.80
8.2.50.0030.00518.10
8.2.40.0050.00218.09
8.2.30.0030.00718.01
8.2.20.0070.00017.61
8.2.10.0050.00217.81
8.2.00.0000.00817.61
8.1.270.0000.00823.90
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00423.92
8.1.230.0040.00717.58
8.1.220.0030.00617.74
8.1.210.0090.00018.77
8.1.200.0000.00817.11
8.1.190.0080.00017.10
8.1.180.0000.00818.10
8.1.170.0090.00018.55
8.1.160.0040.00421.98
8.1.150.0090.00018.70
8.1.140.0080.00017.37
8.1.130.0000.00717.81
8.1.120.0030.00317.34
8.1.110.0050.00317.24
8.1.100.0000.00817.22
8.1.90.0030.00317.36
8.1.80.0000.00817.31
8.1.70.0030.00317.27
8.1.60.0060.00317.48
8.1.50.0050.00317.30
8.1.40.0000.00917.40
8.1.30.0000.00817.57
8.1.20.0080.00017.57
8.1.10.0000.00717.40
8.1.00.0060.00317.29
8.0.300.0040.00418.77
8.0.290.0030.00616.58
8.0.280.0040.00418.30
8.0.270.0030.00317.02
8.0.260.0070.00017.03
8.0.250.0030.00316.80
8.0.240.0040.00416.82
8.0.230.0000.00716.74
8.0.220.0000.00816.77
8.0.210.0000.00716.70
8.0.200.0000.00716.87
8.0.190.0050.00316.72
8.0.180.0030.00316.75
8.0.170.0040.00416.86
8.0.160.0000.00716.63
8.0.150.0040.00416.62
8.0.140.0040.00416.76
8.0.130.0060.00013.27
8.0.120.0040.00416.66
8.0.110.0070.00016.72
8.0.100.0000.00716.63
8.0.90.0040.00516.64
8.0.80.0060.01016.82
8.0.70.0040.00416.64
8.0.60.0000.00716.74
8.0.50.0000.00716.79
8.0.30.0090.01116.72
8.0.20.0110.01317.40
8.0.10.0000.00716.79
8.0.00.0120.00716.71
7.4.330.0000.00515.00
7.4.320.0040.00416.36
7.4.300.0030.00316.39
7.4.290.0040.00416.38
7.4.280.0030.00616.32
7.4.270.0060.00016.40
7.4.260.0000.00716.50
7.4.250.0040.00416.43
7.4.240.0030.00516.44
7.4.230.0030.00316.45
7.4.220.0030.01416.58
7.4.210.0060.00616.30
7.4.200.0030.00316.50
7.4.160.0060.01316.37
7.4.150.0090.00917.40
7.4.140.0140.00617.86
7.4.130.0080.00916.45
7.4.120.0100.01016.34
7.4.110.0140.00316.33
7.4.100.0110.00716.17
7.4.90.0100.00616.54
7.4.80.0130.00319.39
7.4.70.0090.00616.28
7.4.60.0130.00616.39
7.4.50.0040.00416.34
7.4.40.0110.01116.42
7.4.30.0040.01216.13
7.4.10.0070.01114.80
7.4.00.0090.00914.86
7.3.330.0000.00613.04
7.3.320.0030.00313.25
7.3.310.0030.00316.18
7.3.300.0050.00316.18
7.3.290.0070.00716.16
7.3.280.0080.01016.17
7.3.270.0080.00817.40
7.3.260.0110.01116.31
7.3.250.0110.00516.24
7.3.240.0140.00316.26
7.3.230.0070.01016.39
7.3.210.0190.01316.36
7.3.200.0140.00319.39
7.3.190.0110.00616.18
7.3.180.0110.00716.16
7.3.170.0060.01016.27
7.3.160.0060.00916.00
7.3.130.0060.01014.73
7.3.120.0110.00614.82
7.3.110.0030.01614.64
7.3.100.0000.01714.73
7.3.90.0120.00614.43
7.3.80.0070.00714.68
7.3.70.0030.01214.68
7.3.60.0030.00614.68
7.3.50.0060.00914.80
7.3.40.0100.00014.66
7.3.30.0040.00714.79
7.3.20.0000.01316.67
7.3.10.0030.01016.32
7.3.00.0030.01016.73
7.2.330.0070.01016.42
7.2.320.0100.00716.33
7.2.310.0100.00616.59
7.2.300.0060.01016.36
7.2.290.0090.00816.34
7.2.260.0060.01014.40
7.2.250.0110.00814.91
7.2.240.0040.01114.89
7.2.230.0040.01114.70
7.2.220.0160.00314.88
7.2.210.0030.00714.98
7.2.200.0030.01314.75
7.2.190.0090.00914.60
7.2.180.0040.01114.64
7.2.170.0070.00715.03
7.2.160.0030.00914.71
7.2.150.0000.01716.62
7.2.140.0060.00916.75
7.2.130.0100.00616.76
7.2.120.0050.00516.41
7.2.110.0000.01516.90
7.2.100.0070.01316.84
7.2.90.0090.00616.84
7.2.80.0090.00616.52
7.2.70.0070.01016.82
7.2.60.0080.00616.83
7.2.50.0060.00816.31
7.2.40.0030.01316.45
7.2.30.0030.01416.63
7.2.20.0000.01416.57
7.2.10.0000.01416.82
7.2.00.0070.00718.04
7.1.330.0040.00715.73
7.1.320.0080.00615.56
7.1.310.0040.01415.48
7.1.300.0070.00315.70
7.1.290.0030.01315.63
7.1.280.0000.01515.70
7.1.270.0030.00915.71
7.1.260.0090.00015.64
7.1.250.0030.00915.86
7.1.240.0070.01015.66
7.1.230.0030.01315.58
7.1.220.0070.01015.57
7.1.210.0090.00315.42
7.1.200.0010.01215.79
7.1.190.0030.00615.65
7.1.180.0060.00315.76
7.1.170.0030.01015.64
7.1.160.0000.00915.70
7.1.150.0030.01015.62
7.1.140.0040.00415.72
7.1.130.0000.01015.62
7.1.120.0110.00415.67
7.1.110.0080.00415.53
7.1.100.0060.00616.75
7.1.90.0070.00715.84
7.1.80.0080.00015.63
7.1.70.0040.00416.41
7.1.60.0110.00917.53
7.1.50.0080.01116.13
7.1.40.0000.01115.73
7.1.30.0090.00315.64
7.1.20.0040.00715.59
7.1.10.0120.00415.76
7.1.00.0020.04718.82
7.0.330.0000.00815.27
7.0.320.0090.00915.30
7.0.310.0000.00915.51
7.0.300.0080.00415.13
7.0.290.0030.00515.27
7.0.280.0090.00015.25
7.0.270.0060.00315.27
7.0.260.0050.00515.37
7.0.250.0060.00615.30
7.0.240.0060.00915.19
7.0.230.0120.00314.96
7.0.220.0040.00715.29
7.0.210.0030.01015.29
7.0.200.0030.00615.88
7.0.190.0060.00615.20
7.0.180.0040.00415.38
7.0.170.0040.00715.54
7.0.160.0000.01015.46
7.0.150.0030.00915.28
7.0.140.0020.04518.61
7.0.130.0040.01514.94
7.0.120.0030.01015.51
7.0.110.0030.01015.16
7.0.100.0040.01115.05
7.0.90.0030.00615.21
7.0.80.0060.00615.38
7.0.70.0040.01115.29
7.0.60.0100.04217.70
7.0.50.0050.04516.64
7.0.40.0100.04216.95
7.0.30.0170.03016.83
7.0.20.0200.04016.55
7.0.10.0080.03416.61
7.0.00.0060.04616.77
5.6.400.0060.00614.13
5.6.390.0070.00314.32
5.6.380.0100.00614.13
5.6.370.0040.01114.32
5.6.360.0040.00813.82
5.6.350.0110.00313.99
5.6.340.0030.00914.23
5.6.330.0100.00314.21
5.6.320.0040.00414.11
5.6.310.0060.00914.12
5.6.300.0090.00614.42
5.6.290.0070.00714.30
5.6.280.0030.01014.38
5.6.270.0060.00913.82
5.6.260.0040.01214.33
5.6.250.0030.01013.77
5.6.240.0060.00614.10
5.6.230.0090.00614.02
5.6.220.0030.01013.90
5.6.210.0090.03517.31
5.6.200.0080.04416.22
5.6.190.0070.04717.36
5.6.180.0150.02217.36
5.6.170.0120.02917.16
5.6.160.0110.04117.36
5.6.150.0010.02616.10
5.6.140.0100.04216.18
5.6.130.0070.03016.35
5.6.120.0070.04517.64
5.6.110.0070.02117.60
5.6.100.0130.03717.48
5.6.90.0080.04317.69
5.6.80.0100.04217.24
5.6.70.2250.01717.30
5.6.60.0030.01314.06
5.6.50.0060.00614.04
5.6.40.0100.00314.06
5.6.30.0070.00713.97
5.6.20.0030.01013.95
5.6.10.0050.00514.01
5.6.00.0060.00913.97
5.5.380.0040.00713.91
5.5.370.0030.00914.09
5.5.360.0040.00414.14
5.5.350.0100.04317.23
5.5.340.0030.03516.05
5.5.330.0050.02417.29
5.5.320.0120.02717.26
5.5.310.0120.02716.95
5.5.300.0080.04115.81
5.5.290.0050.02615.97
5.5.280.0090.03217.45
5.5.270.0060.03717.40
5.5.260.0090.03917.35
5.5.250.0070.04517.45
5.5.240.0170.04117.21
5.5.230.0060.00613.70
5.5.220.0070.00713.95
5.5.210.0040.00814.00
5.5.200.0040.01214.13
5.5.190.0070.00713.75
5.5.180.0090.00314.13
5.5.170.0080.00313.81
5.5.160.0070.01313.91
5.5.150.0090.00613.56
5.5.140.0080.01114.31
5.5.130.0030.00914.13
5.5.120.0060.00914.16
5.5.110.0030.01014.00
5.5.100.0030.01013.71
5.5.90.0000.01213.98
5.5.80.0000.01513.80
5.5.70.0070.01014.04
5.5.60.0000.01314.10
5.5.50.0090.00014.14
5.5.40.0050.00514.28
5.5.30.0030.01013.95
5.5.20.0060.00613.93
5.5.10.0040.00813.89
5.5.00.0030.01413.95
5.4.450.0120.03415.89
5.4.440.0230.02015.83
5.4.430.0180.02815.79
5.4.420.0350.00415.87
5.4.410.0350.00015.94
5.4.400.0370.00015.79
5.4.390.0350.00215.74
5.4.380.0340.00115.75
5.4.370.0320.00715.71
5.4.360.0300.00515.71
5.4.350.0380.00315.74
5.4.340.0050.02112.19
5.4.330.0040.00412.36
5.4.320.0060.02112.43
5.4.310.0020.02812.43
5.4.300.0050.02112.43
5.4.290.0020.02812.43
5.4.280.0060.02212.38
5.4.270.0040.02512.38
5.4.260.0040.02612.38
5.4.250.0090.02112.38
5.4.240.0050.02312.38
5.4.230.0050.02512.37
5.4.220.0060.02212.37
5.4.210.0050.02112.38
5.4.200.0010.02712.37
5.4.190.0060.02112.37
5.4.180.0050.02012.37
5.4.170.0040.02712.38
5.4.160.0070.02112.38
5.4.150.0040.02212.37
5.4.140.0040.02112.21
5.4.130.0030.02212.21
5.4.120.0070.02012.19
5.4.110.0050.02012.19
5.4.100.0040.02212.18
5.4.90.0060.02112.18
5.4.80.0060.02312.18
5.4.70.0060.01912.18
5.4.60.0060.02312.18
5.4.50.0040.02112.18
5.4.40.0060.02012.17
5.4.30.0020.02212.17
5.4.20.0060.01912.17
5.4.10.0060.02112.17
5.4.00.0060.02211.92
5.3.290.0030.04212.80
5.3.280.0040.04112.71
5.3.270.0090.05812.73
5.3.260.0100.03612.71
5.3.250.0100.03412.71
5.3.240.0070.04012.72
5.3.230.0030.04212.71
5.3.220.0070.04212.68
5.3.210.0050.05112.68
5.3.200.0070.03812.68
5.3.190.0040.04012.68
5.3.180.0070.03612.68
5.3.170.0030.03912.67
5.3.160.0060.03512.67
5.3.150.0060.03812.67
5.3.140.0060.03612.66
5.3.130.0040.05412.66
5.3.120.0100.04312.66
5.3.110.0090.03812.66
5.3.100.0070.03712.12
5.3.90.0050.03812.09
5.3.80.0050.03812.09
5.3.70.0080.03412.10
5.3.60.0040.04312.07
5.3.50.0020.04412.01
5.3.40.0090.03512.01
5.3.30.0040.03611.99
5.3.20.0040.03811.75
5.3.10.0090.03511.72
5.3.00.0070.04011.71
5.2.170.0060.0299.20
5.2.160.0060.0309.20
5.2.150.0050.0329.21
5.2.140.0050.0309.20
5.2.130.0040.0319.16
5.2.120.0040.0319.16
5.2.110.0060.0289.17
5.2.100.0050.0299.17
5.2.90.0010.0329.16
5.2.80.0080.0309.16
5.2.70.0060.0329.16
5.2.60.0040.0319.12
5.2.50.0050.0319.09
5.2.40.0050.0319.07
5.2.30.0090.0369.04
5.2.20.0040.0339.02
5.2.10.0050.0288.93
5.2.00.0050.0308.79
5.1.60.0040.0298.08
5.1.50.0030.0258.07
5.1.40.0050.0278.05
5.1.30.0030.0288.41
5.1.20.0080.0238.43
5.1.10.0080.0228.16
5.1.00.0040.0268.15
5.0.50.0050.0196.63
5.0.40.0050.0186.49
5.0.30.0060.0336.30
5.0.20.0060.0186.27
5.0.10.0020.0226.25
5.0.00.0040.0346.24
4.4.90.0030.0154.78
4.4.80.0050.0134.76
4.4.70.0050.0154.75
4.4.60.0020.0184.75
4.4.50.0040.0174.77
4.4.40.0020.0304.71
4.4.30.0050.0194.76
4.4.20.0040.0144.85
4.4.10.0020.0164.85
4.4.00.0010.0284.76
4.3.110.0030.0184.67
4.3.100.0050.0204.66
4.3.90.0010.0164.63
4.3.80.0040.0274.58
4.3.70.0010.0184.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0060.0264.54
4.3.30.0010.0243.29
4.3.20.0040.0203.27
4.3.10.0030.0173.23
4.3.00.0130.01013.37

preferences:
39.92 ms | 400 KiB | 5 Q