3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} class B extends A {} $a = new A(); $b = new B(); echo $b instanceof $a;

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)
8.3.40.0140.00718.75
8.3.30.0060.00818.96
8.3.20.0000.00720.39
8.3.10.0000.00823.57
8.3.00.0040.00417.63
8.2.170.0040.01622.96
8.2.160.0100.00320.35
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0080.00020.88
8.2.110.0100.00020.90
8.2.100.0000.01217.88
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0000.00717.93
8.2.50.0050.00318.07
8.2.40.0000.00717.97
8.2.30.0000.00717.93
8.2.20.0070.00017.71
8.2.10.0000.00717.91
8.2.00.0030.00617.60
8.1.270.0060.00323.88
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00322.33
8.1.230.0070.00420.91
8.1.220.0030.00517.78
8.1.210.0060.00318.85
8.1.200.0060.00317.23
8.1.190.0040.00417.11
8.1.180.0080.00018.10
8.1.170.0000.00718.65
8.1.160.0040.00421.82
8.1.150.0000.00718.79
8.1.140.0040.00417.25
8.1.130.0000.00717.81
8.1.120.0040.00417.38
8.1.110.0000.00717.43
8.1.100.0040.00417.35
8.1.90.0030.00317.33
8.1.80.0000.00717.45
8.1.70.0030.00317.34
8.1.60.0040.00417.55
8.1.50.0070.00417.52
8.1.40.0000.00817.41
8.1.30.0050.00317.51
8.1.20.0030.00617.46
8.1.10.0040.00417.57
8.1.00.0040.00417.52
8.0.300.0000.00820.08
8.0.290.0060.00316.63
8.0.280.0000.00818.46
8.0.270.0000.00717.21
8.0.260.0000.00717.29
8.0.250.0030.00316.91
8.0.240.0050.00316.99
8.0.230.0000.00816.83
8.0.220.0040.00416.69
8.0.210.0070.00016.78
8.0.200.0070.00016.87
8.0.190.0050.00216.84
8.0.180.0030.00316.86
8.0.170.0000.00916.80
8.0.160.0000.00816.86
8.0.150.0000.00716.85
8.0.140.0020.00516.71
8.0.130.0060.00313.23
8.0.120.0060.00316.71
8.0.110.0040.00416.82
8.0.100.0040.00416.68
8.0.90.0040.00416.81
8.0.80.0130.01216.77
8.0.70.0050.00216.73
8.0.60.0040.00416.71
8.0.50.0000.00716.84
8.0.30.0100.01316.81
8.0.20.0060.01217.40
8.0.10.0070.00016.99
8.0.00.0110.00716.83
7.4.330.0030.00315.01
7.4.320.0030.00316.54
7.4.300.0000.00616.55
7.4.290.0060.00016.44
7.4.280.0000.00716.42
7.4.270.0000.00716.54
7.4.260.0030.00316.44
7.4.250.0050.00216.54
7.4.240.0000.00716.49
7.4.230.0000.00816.42
7.4.220.0060.01216.64
7.4.210.0100.01016.55
7.4.200.0080.00016.55
7.4.160.0130.00816.43
7.4.150.0120.00617.40
7.4.140.0150.00517.86
7.4.130.0140.00716.53
7.4.120.0070.01216.47
7.4.110.0260.00316.50
7.4.100.0140.00516.42
7.4.90.0100.00716.34
7.4.80.0070.01119.39
7.4.70.0090.00616.39
7.4.60.0070.01116.29
7.4.50.0000.00816.07
7.4.40.0140.00316.39
7.4.30.0030.01316.47
7.4.10.0050.01314.86
7.4.00.0090.00714.81
7.3.330.0050.00013.23
7.3.320.0030.00313.17
7.3.310.0070.00016.23
7.3.300.0030.00316.09
7.3.290.0110.00616.24
7.3.280.0040.01116.22
7.3.270.0030.01417.40
7.3.260.0110.00616.39
7.3.250.0110.00716.38
7.3.240.0110.00716.39
7.3.230.0110.00416.39
7.3.210.0030.01616.33
7.3.200.0070.01019.39
7.3.190.0090.00916.48
7.3.180.0120.00616.45
7.3.170.0110.00516.39
7.3.160.0070.01016.46
7.3.130.0070.01114.69
7.3.120.0030.01314.74
7.3.110.0080.01014.54
7.3.100.0050.01014.91
7.3.90.0090.00614.61
7.3.80.0060.00315.01
7.3.70.0090.00514.74
7.3.60.0060.00714.70
7.3.50.0060.00914.61
7.3.40.0110.00314.66
7.3.30.0070.00514.80
7.3.20.0090.00516.73
7.3.10.0080.00616.59
7.3.00.0060.01016.61
7.2.330.0100.00716.36
7.2.320.0030.01816.65
7.2.310.0060.00916.59
7.2.300.0100.00616.37
7.2.290.0130.00316.60
7.2.260.0020.01115.00
7.2.250.0090.00915.08
7.2.240.0100.00515.11
7.2.230.0110.00514.72
7.2.220.0070.00715.19
7.2.210.0070.00614.76
7.2.200.0000.01514.80
7.2.190.0080.00714.87
7.2.180.0090.00714.89
7.2.170.0110.00314.93
7.2.160.0020.00914.99
7.2.150.0090.00516.74
7.2.140.0080.00916.89
7.2.130.0040.01216.60
7.2.120.0080.00716.75
7.2.110.0080.00716.59
7.2.100.0080.00616.71
7.2.90.0040.01216.78
7.2.80.0050.00916.65
7.2.70.0040.00916.88
7.2.60.0100.00616.71
7.2.50.0060.00616.75
7.2.40.0060.01116.74
7.2.30.0070.00916.80
7.2.20.0090.00616.65
7.2.10.0050.00916.65
7.2.00.0080.00817.41
7.1.330.0050.00915.71
7.1.320.0090.00715.72
7.1.310.0070.00715.86
7.1.300.0080.00815.66
7.1.290.0070.00815.72
7.1.280.0070.00715.59
7.1.270.0030.00815.63
7.1.260.0060.00915.67
7.1.250.0070.00715.59
7.1.240.0050.00715.54
7.1.230.0040.00615.82
7.1.220.0070.00715.66
7.1.210.0050.01115.63
7.1.200.0030.01115.80
7.1.190.0050.00815.66
7.1.180.0070.00315.82
7.1.170.0060.00915.65
7.1.160.0090.00515.77
7.1.150.0050.00915.73
7.1.140.0030.01015.79
7.1.130.0050.00615.75
7.1.120.0050.00715.69
7.1.110.0040.01115.82
7.1.100.0030.00916.44
7.1.90.0060.00815.73
7.1.80.0030.01015.74
7.1.70.0070.00316.11
7.1.60.0070.00916.85
7.1.50.0070.00716.10
7.1.40.0070.00615.86
7.1.30.0070.00515.73
7.1.20.0080.00715.74
7.1.10.0050.01115.65
7.1.00.0060.02718.07
7.0.330.0050.00815.42
7.0.320.0080.00815.27
7.0.310.0050.00915.31
7.0.300.0040.01115.33
7.0.290.0050.01015.32
7.0.280.0020.01115.33
7.0.270.0050.01115.43
7.0.260.0040.01115.17
7.0.250.0040.00715.38
7.0.240.0050.00815.38
7.0.230.0080.00615.47
7.0.220.0050.00915.43
7.0.210.0030.01015.49
7.0.200.0050.00615.84
7.0.190.0050.00815.33
7.0.180.0060.00615.36
7.0.170.0060.00715.32
7.0.160.0020.01115.26
7.0.150.0080.00515.32
7.0.140.0100.02717.63
7.0.130.0060.00815.39
7.0.120.0060.00815.50
7.0.110.0050.00815.45
7.0.100.0050.00615.43
7.0.90.0040.00615.30
7.0.80.0070.00715.34
7.0.70.0010.01115.36
7.0.60.0050.02616.86
7.0.50.0110.02616.24
7.0.40.0050.02915.54
7.0.30.0130.02815.68
7.0.20.0120.01915.53
7.0.10.0070.02615.63
7.0.00.0040.01915.58
5.6.400.0080.01014.36
5.6.390.0070.00714.42
5.6.380.0070.00514.40
5.6.370.0060.00814.20
5.6.360.0090.00514.27
5.6.350.0050.00714.50
5.6.340.0100.00514.22
5.6.330.0030.01014.46
5.6.320.0050.00714.24
5.6.310.0070.00814.42
5.6.300.0080.00714.10
5.6.290.0030.01414.39
5.6.280.0020.03116.51
5.6.270.0070.00814.50
5.6.260.0090.00514.37
5.6.250.0030.01014.18
5.6.240.0040.00614.38
5.6.230.0080.00714.31
5.6.220.0060.00614.40
5.6.210.0080.02916.32
5.6.200.0020.02115.58
5.6.190.0060.03416.21
5.6.180.0150.02516.34
5.6.170.0200.03016.25
5.6.160.0050.03516.21
5.6.150.0040.03515.62
5.6.140.0050.01815.55
5.6.130.0030.03315.68
5.6.120.0120.02916.53
5.6.110.0050.03116.47
5.6.100.0090.02116.63
5.6.90.0060.01816.41
5.6.80.0080.03016.26
5.6.70.0050.00314.22
5.6.60.0000.01414.12
5.6.50.0040.00814.10
5.6.40.0050.00714.29
5.6.30.0050.00714.11
5.6.20.0060.00914.10
5.6.10.0070.00514.17
5.6.00.0070.00514.26
5.5.380.0060.00614.14
5.5.370.0030.00914.07
5.5.360.0080.00614.23
5.5.350.0110.02716.41
5.5.340.0060.02115.43
5.5.330.0090.03016.39
5.5.320.1220.01916.29
5.5.310.0100.03216.27
5.5.300.0020.02015.50
5.5.290.0060.03015.53
5.5.280.0100.02716.41
5.5.270.0100.02816.25
5.5.260.0090.03016.50
5.5.250.0010.02216.21
5.5.240.0070.03116.12
5.5.230.0060.00714.19
5.5.220.0040.00814.00
5.5.210.0050.00914.22
5.5.200.0090.00613.93
5.5.190.0030.01014.20
5.5.180.0050.00814.08
5.5.170.0070.00513.83
5.5.160.0060.00714.09
5.5.150.0030.01114.09
5.5.140.0040.00914.00
5.5.130.0100.00514.00
5.5.120.0060.00914.00
5.5.110.0030.01214.08
5.5.100.0080.00614.14
5.5.90.0040.01014.11
5.5.80.0030.00713.85
5.5.70.0060.01014.03
5.5.60.0090.00313.88
5.5.50.0020.01114.01
5.5.40.0080.00514.38
5.5.30.0020.01214.00
5.5.20.0080.00714.03
5.5.10.0060.01314.07
5.5.00.0070.00814.13
5.4.450.0140.02214.47
5.4.440.0310.02114.28
5.4.430.0040.02414.38
5.4.420.0140.01514.50
5.4.410.0090.02114.15
5.4.400.0090.01813.99
5.4.390.0060.02814.07
5.4.380.0070.02914.14
5.4.370.0040.01713.99
5.4.360.0100.01614.02
5.4.350.0060.01611.84
5.4.340.0080.01411.74
5.4.330.0020.00611.62
5.4.320.0050.01712.00
5.4.310.0050.01711.98
5.4.300.0050.01511.92
5.4.290.0020.01812.07
5.4.280.0030.01811.93
5.4.270.0050.01711.93
5.4.260.0070.01612.00
5.4.250.0030.02011.99
5.4.240.0080.01511.96
5.4.230.0060.01811.92
5.4.220.0050.01711.93
5.4.210.0070.01511.94
5.4.200.0050.01611.96
5.4.190.0060.01611.89
5.4.180.0070.01611.99
5.4.170.0060.01611.96
5.4.160.0050.01611.94
5.4.150.0060.01611.95
5.4.140.0040.02011.85
5.4.130.0060.01511.80
5.4.120.0040.01711.84
5.4.110.0050.01511.88
5.4.100.0050.01611.82
5.4.90.0070.01511.75
5.4.80.0030.01911.81
5.4.70.0080.01411.76
5.4.60.0060.01611.81
5.4.50.0050.01511.90
5.4.40.0040.01611.88
5.4.30.0050.01811.88
5.4.20.0060.01511.88
5.4.10.0040.01711.86
5.4.00.0040.01711.73
5.3.290.0050.04212.80
5.3.280.0090.03412.71
5.3.270.0050.04212.73
5.3.260.0030.04312.71
5.3.250.0050.03712.72
5.3.240.0060.03612.71
5.3.230.0070.03612.71
5.3.220.0060.03612.68
5.3.210.0060.03812.68
5.3.200.0080.03612.68
5.3.190.0060.03712.68
5.3.180.0090.03212.68
5.3.170.0060.03612.67
5.3.160.0030.03912.67
5.3.150.0060.03512.67
5.3.140.0080.03512.66
5.3.130.0040.04012.66
5.3.120.0060.03812.66
5.3.110.0070.03712.66
5.3.100.0020.04012.12
5.3.90.0050.03612.09
5.3.80.0050.03712.08
5.3.70.0050.03512.08
5.3.60.0070.03412.07
5.3.50.0060.03612.02
5.3.40.0060.04212.02
5.3.30.0050.03511.97
5.3.20.0040.03611.75
5.3.10.0040.03511.72
5.3.00.0070.03911.71
5.2.170.0040.0369.21
5.2.160.0060.0279.21
5.2.150.0070.0279.21
5.2.140.0040.0319.21
5.2.130.0040.0299.17
5.2.120.0040.0289.17
5.2.110.0040.0299.18
5.2.100.0070.0329.18
5.2.90.0030.0299.17
5.2.80.0060.0289.17
5.2.70.0050.0299.17
5.2.60.0000.0339.11
5.2.50.0050.0289.09
5.2.40.0050.0279.06
5.2.30.0010.0329.04
5.2.20.0070.0309.03
5.2.10.0060.0268.93
5.2.00.0030.0298.80
5.1.60.0050.0228.08
5.1.50.0050.0238.08
5.1.40.0030.0318.06
5.1.30.0010.0288.40
5.1.20.0010.0298.43
5.1.10.0060.0238.16
5.1.00.0040.0258.16
5.0.50.0030.0206.63
5.0.40.0040.0186.49
5.0.30.0030.0316.31
5.0.20.0040.0186.27
5.0.10.0050.0186.25
5.0.00.0030.0316.24
4.4.90.0040.0134.78
4.4.80.0030.0154.75
4.4.70.0050.0134.75
4.4.60.0030.0144.75
4.4.50.0040.0144.77
4.4.40.0030.0244.71
4.4.30.0030.0144.76
4.4.20.0040.0134.85
4.4.10.0010.0174.84
4.4.00.0030.0244.75
4.3.110.0050.0134.67
4.3.100.0010.0164.67
4.3.90.0040.0184.64
4.3.80.0060.0314.58
4.3.70.0030.0144.63
4.3.60.0020.0204.63
4.3.50.0030.0174.63
4.3.40.0040.0264.54
4.3.30.0020.0223.30
4.3.20.0010.0173.28
4.3.10.0010.0163.23
4.3.00.0100.0236.82

preferences:
39.17 ms | 400 KiB | 5 Q