3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} class B {} $a = new A; switch (true) { case $a instanceof A: echo "A\n"; break; case $a instanceof B: echo "B\n"; break; default: echo "NO\n"; }

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)
8.3.60.0160.00316.36
8.3.50.0230.00816.35
8.3.40.0070.00718.67
8.3.30.0070.00718.51
8.3.20.0110.00018.48
8.3.10.0060.00320.41
8.3.00.0090.00019.26
8.2.180.0110.00418.06
8.2.170.0160.01022.96
8.2.160.0150.00320.55
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00318.75
8.2.110.0040.00419.27
8.2.100.0070.00317.78
8.2.90.0040.00418.22
8.2.80.0060.00317.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0080.00018.17
8.2.30.0040.00417.89
8.2.20.0000.00817.54
8.2.10.0000.00717.61
8.2.00.0020.00517.66
8.1.280.0140.00025.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0080.00423.73
8.1.230.0070.00420.85
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.10
8.1.190.0030.00517.39
8.1.180.0000.00818.10
8.1.170.0000.00718.75
8.1.160.0000.00718.77
8.1.150.0000.00718.52
8.1.140.0030.00517.43
8.1.130.0040.00417.79
8.1.120.0000.00717.45
8.1.110.0070.00017.41
8.1.100.0000.00717.29
8.1.90.0040.00417.42
8.1.80.0050.00217.34
8.1.70.0040.00417.35
8.1.60.0050.00317.50
8.1.50.0000.00717.39
8.1.40.0000.00817.43
8.1.30.0040.00717.53
8.1.20.0000.00817.47
8.1.10.0000.00717.50
8.1.00.0040.00417.39
8.0.300.0000.00819.93
8.0.290.0030.00516.75
8.0.280.0070.00018.33
8.0.270.0080.00017.24
8.0.260.0030.00316.68
8.0.250.0000.00716.88
8.0.240.0000.00716.93
8.0.230.0000.00716.92
8.0.220.0000.00616.82
8.0.210.0030.00316.79
8.0.200.0030.00316.92
8.0.190.0070.00016.79
8.0.180.0000.00816.84
8.0.170.0000.00916.81
8.0.160.0030.00316.77
8.0.150.0050.00316.80
8.0.140.0050.00316.80
8.0.130.0030.00313.17
8.0.120.0040.00416.72
8.0.110.0040.00316.71
8.0.100.0000.00716.75
8.0.90.0040.00416.69
8.0.80.0000.01716.87
8.0.70.0000.00716.77
8.0.60.0040.00416.86
8.0.50.0000.00716.61
8.0.30.0100.01016.98
8.0.20.0100.01016.96
8.0.10.0030.00516.95
8.0.00.0120.00616.93
7.4.330.0050.00012.90
7.4.320.0000.00916.47
7.4.300.0000.00616.54
7.4.290.0070.00016.49
7.4.280.0040.00416.45
7.4.270.0000.00616.58
7.4.260.0000.00513.21
7.4.250.0060.00316.43
7.4.240.0030.00516.38
7.4.230.0030.00316.42
7.4.220.0100.01316.44
7.4.210.0070.00716.43
7.4.200.0070.00016.61
7.4.190.0030.00316.57
7.4.160.0030.01216.36
7.4.150.0030.01416.37
7.4.140.0130.00316.20
7.4.130.0100.00716.49
7.4.120.0060.01016.23
7.4.110.0220.00616.43
7.4.100.0100.01116.40
7.4.90.0030.01516.46
7.4.80.0060.01119.39
7.4.70.0070.01116.55
7.4.60.0120.00316.39
7.4.50.0030.00316.33
7.4.40.0100.00316.34
7.4.30.0190.00016.21
7.4.00.0100.00714.64
7.3.330.0030.00313.11
7.3.320.0000.00713.22
7.3.310.0030.00316.34
7.3.300.0000.00616.25
7.3.290.0070.00716.21
7.3.280.0030.01316.20
7.3.270.0130.00316.50
7.3.260.0090.00916.33
7.3.250.0090.00916.37
7.3.240.0040.01516.61
7.3.230.0070.01416.43
7.3.210.0130.00416.22
7.3.200.0070.01016.53
7.3.190.0090.00916.66
7.3.180.0060.01016.55
7.3.170.0130.00716.44
7.3.160.0130.00316.52
7.3.120.0000.01614.91
7.2.330.0060.01116.64
7.2.320.0120.01016.59
7.2.310.0100.01316.63
7.2.300.0080.01516.67
7.2.290.0080.00816.46
7.2.00.0000.01819.45
7.1.100.0050.00517.81
7.1.70.0100.00716.94
7.1.60.0110.01419.31
7.1.50.0040.01516.74
7.1.00.0030.04722.35
7.0.200.0030.00616.86
7.0.140.0030.07322.04
7.0.120.0070.07322.14
7.0.60.0030.07319.98
7.0.50.0070.03717.83
7.0.40.0170.02717.82
7.0.30.0000.04317.76
7.0.20.0030.04017.85
7.0.10.0100.03317.68
7.0.00.0070.04017.85
5.6.280.0100.06720.89
5.6.210.0070.03720.53
5.6.200.0000.04318.13
5.6.190.0030.04718.14
5.6.180.0100.03318.17
5.6.170.0030.04018.29
5.6.160.0000.07718.19
5.6.150.0070.03718.14
5.6.140.0030.04018.28
5.6.130.0170.06318.28
5.6.120.0100.07718.19
5.6.110.0070.08718.18
5.6.100.0130.07318.28
5.6.90.0100.06318.26
5.6.80.0100.05317.66
5.6.70.0030.05317.52
5.6.60.0070.08017.62
5.6.50.0170.05717.54
5.6.40.0000.05317.54
5.6.30.0100.07017.54
5.6.20.0130.03717.64
5.6.10.0030.04317.57
5.6.00.0000.04317.46
5.5.350.0000.08320.41
5.5.340.0130.03017.94
5.5.330.0000.04317.98
5.5.320.0030.03718.09
5.5.310.0100.03718.08
5.5.300.0030.07318.03
5.5.290.0070.08317.94
5.5.280.0100.05018.08
5.5.270.0000.05317.95
5.5.260.0000.09017.98
5.5.250.0100.07017.79
5.5.240.0100.07317.34
5.5.230.0030.06017.41
5.5.220.0070.04717.36
5.5.210.0070.07717.36
5.5.200.0000.07717.31
5.5.190.0170.06717.32
5.5.180.0130.04717.43
5.5.160.0070.03717.44
5.5.150.0070.04717.27
5.5.140.0100.07317.43
5.5.130.0030.08017.33
5.5.120.0170.06717.39
5.5.110.0070.07317.38
5.5.100.0100.07317.23
5.5.90.0130.07017.32
5.5.80.0130.05717.20
5.5.70.0030.06717.31
5.5.60.0070.05017.20
5.5.50.0030.04717.31
5.5.40.0130.07317.20
5.5.30.0070.07317.24
5.5.20.0130.06717.31
5.5.10.0070.05717.19
5.5.00.0130.07017.18
5.4.450.0100.04719.46
5.4.440.0200.07019.36
5.4.430.0100.06719.36
5.4.420.0070.06319.30
5.4.410.0130.07319.33
5.4.400.0130.05318.89
5.4.390.0130.07018.90
5.4.380.0100.07719.05
5.4.370.0070.04319.03
5.4.360.0070.05319.05
5.4.350.0070.04319.01
5.4.340.0100.05019.05
5.4.320.0000.04719.13
5.4.310.0030.04718.91
5.4.300.0100.07718.88
5.4.290.0030.07719.02
5.4.280.0070.07719.13
5.4.270.0100.07319.02
5.4.260.0030.08318.90
5.4.250.0100.06719.03
5.4.240.0130.05718.95
5.4.230.0030.06718.95
5.4.220.0030.08018.95
5.4.210.0100.07318.98
5.4.200.0030.05018.94
5.4.190.0070.08019.09
5.4.180.0070.07019.12
5.4.170.0070.06319.09
5.4.160.0100.07718.97
5.4.150.0030.06019.03
5.4.140.0000.05716.36
5.4.130.0030.08016.48
5.4.120.0030.06716.35
5.4.110.0030.07316.54
5.4.100.0130.07316.64
5.4.90.0070.07316.50
5.4.80.0200.06716.48
5.4.70.0030.03716.48
5.4.60.0030.03716.48
5.4.50.0070.04316.43
5.4.40.0070.03316.40
5.4.30.0000.06316.52
5.4.20.0130.05016.42
5.4.10.0130.04316.29
5.4.00.0100.05015.98
5.3.290.0070.08014.66
5.3.280.0030.07014.58
5.3.270.0030.08714.57
5.3.260.0100.07314.67
5.3.250.0100.06314.59
5.3.240.0170.06314.64
5.3.230.0070.04714.44
5.3.220.0100.07314.66
5.3.210.0100.07014.65
5.3.200.0030.08014.57
5.3.190.0100.07014.61
5.3.180.0030.05314.60
5.3.170.0130.04014.51
5.3.160.0100.03314.60
5.3.150.0000.04014.58
5.3.140.0070.03714.53
5.3.130.0100.06714.58
5.3.120.0000.05714.61
5.3.110.0070.06314.59
5.3.100.0030.05714.24
5.3.90.0030.04314.06
5.3.80.0030.07314.05
5.3.70.0100.07014.10
5.3.60.0070.06013.89
5.3.50.0030.03714.04
5.3.40.0030.04313.85
5.3.30.0100.05313.95
5.3.20.0070.03713.73
5.3.10.0100.06713.69
5.3.00.0100.06713.64
5.2.170.0030.04711.23
5.2.160.0100.04010.98
5.2.150.0030.06311.03
5.2.140.0000.06311.17
5.2.130.0000.03711.13
5.2.120.0030.04011.19
5.2.110.0100.05711.11
5.2.100.0070.03711.11
5.2.90.0100.02310.94
5.2.80.0100.05711.14
5.2.70.0030.04011.19
5.2.60.0030.04310.95
5.2.50.0030.06311.08
5.2.40.0000.03710.98
5.2.30.0030.03010.98
5.2.20.0000.03011.00
5.2.10.0030.06310.91
5.2.00.0070.05710.56
5.1.60.0070.0409.93
5.1.50.0030.0379.95
5.1.40.0030.0479.97
5.1.30.0030.05710.37
5.1.20.0070.06710.44
5.1.10.0030.04710.11
5.1.00.0070.04310.04
5.0.50.0000.0239.23
5.0.40.0000.0379.23
5.0.30.0000.0679.23
5.0.20.0070.0379.23
5.0.10.0000.0279.23
5.0.00.0030.0339.23
4.4.90.0000.0339.23
4.4.80.0070.0209.23
4.4.70.0000.0279.23
4.4.60.0000.0379.23
4.4.50.0030.0279.23
4.4.40.0000.0579.23
4.4.30.0100.0309.23
4.4.20.0000.0379.23
4.4.10.0000.0239.23
4.4.00.0070.0439.23
4.3.110.0000.0239.23
4.3.100.0030.0339.23
4.3.90.0000.0209.23
4.3.80.0000.0279.23
4.3.70.0000.0179.23
4.3.60.0030.0179.23
4.3.50.0100.0309.23
4.3.40.0030.0439.23
4.3.30.0030.0239.23
4.3.20.0000.0239.23
4.3.10.0030.0209.23
4.3.00.0030.0139.23

preferences:
36.34 ms | 401 KiB | 5 Q