3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(NAN); // float NAN var_dump(NAN == NAN); // boolean true var_dump(NAN === NAN); // boolean true var_dump(is_nan(NAN)); // boolean true var_dump(NAN == 12); // boolean true var_dump(NAN === 12); // boolean false var_dump(is_nan(12)); // boolean false var_dump(NAN == 12.4); // boolean true var_dump(NAN === 12.4); // boolean true var_dump(is_nan(12.4)); // boolean false var_dump(NAN == NULL); // boolean true var_dump(NAN === NULL); // boolean false var_dump(is_nan(NULL)); // boolean false

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)
8.3.40.0070.01118.86
8.3.30.0070.00718.82
8.3.20.0040.00420.20
8.3.10.0070.00021.60
8.3.00.0070.01019.38
8.2.170.0110.00422.96
8.2.160.0070.00720.55
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0110.00426.16
8.2.120.0080.00022.01
8.2.110.0090.00022.31
8.2.100.0080.00417.66
8.2.90.0030.00518.96
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0040.00417.66
8.2.50.0040.00418.07
8.2.40.0080.00019.82
8.2.30.0040.00419.64
8.2.20.0030.00517.53
8.2.10.0000.00819.78
8.2.00.0040.00417.66
8.1.270.0030.00623.84
8.1.260.0030.00526.35
8.1.250.0030.00628.09
8.1.240.0040.00423.88
8.1.230.0030.00719.16
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0030.00517.10
8.1.180.0040.00718.10
8.1.170.0060.00318.58
8.1.160.0070.00021.93
8.1.150.0090.00018.53
8.1.140.0040.00417.15
8.1.130.0000.00717.80
8.1.120.0070.00017.32
8.1.110.0070.00017.38
8.1.100.0050.00217.25
8.1.90.0000.00717.18
8.1.80.0040.00417.24
8.1.70.0030.00317.26
8.1.60.0030.00617.33
8.1.50.0000.00917.42
8.1.40.0000.00817.43
8.1.30.0000.00817.46
8.1.20.0040.00417.44
8.1.10.0020.00517.37
8.1.00.0050.00317.21
8.0.300.0040.00420.79
8.0.290.0040.00416.92
8.0.280.0070.00018.34
8.0.270.0030.00317.00
8.0.260.0000.00616.99
8.0.250.0040.00416.71
8.0.240.0030.00316.79
8.0.230.0030.00316.78
8.0.220.0030.00316.75
8.0.210.0000.00716.77
8.0.200.0030.00516.67
8.0.190.0030.00616.73
8.0.180.0040.00416.67
8.0.170.0040.00416.68
8.0.160.0030.00316.74
8.0.150.0060.00316.60
8.0.140.0050.00216.75
8.0.130.0030.00313.09
8.0.120.0000.00816.77
8.0.110.0040.00416.82
8.0.100.0030.00616.70
8.0.90.0050.00316.65
8.0.80.0060.01016.75
8.0.70.0080.00016.69
8.0.60.0040.00416.59
8.0.50.0030.00316.57
8.0.30.0120.01016.98
8.0.20.0070.01217.40
8.0.10.0070.00016.71
8.0.00.0140.00616.72
7.4.330.0000.00615.00
7.4.320.0000.00716.45
7.4.300.0030.00316.34
7.4.290.0090.00016.22
7.4.280.0040.00716.49
7.4.270.0030.00316.38
7.4.260.0040.00416.41
7.4.250.0040.00416.19
7.4.240.0030.00416.42
7.4.230.0000.00716.25
7.4.220.0080.00816.41
7.4.210.0060.01016.44
7.4.200.0030.00316.44
7.4.190.0000.00716.39
7.4.160.0060.01016.02
7.4.150.0150.00317.40
7.4.140.0190.00817.86
7.4.130.0110.00816.30
7.4.120.0090.00816.38
7.4.110.0060.01216.40
7.4.100.0070.01016.37
7.4.90.0090.00616.43
7.4.80.0060.01119.39
7.4.70.0030.01416.41
7.4.60.0100.00616.03
7.4.50.0000.00816.33
7.4.40.0130.01016.48
7.4.30.0110.00516.43
7.4.00.0060.01014.83
7.3.330.0030.00312.96
7.3.320.0000.00612.98
7.3.310.0040.00416.13
7.3.300.0000.00716.04
7.3.290.0100.00516.16
7.3.280.0090.00716.15
7.3.270.0030.01517.40
7.3.260.0030.01816.25
7.3.250.0140.00316.25
7.3.240.0080.00816.29
7.3.230.0150.00316.39
7.3.210.0120.00616.16
7.3.200.0120.00919.39
7.3.190.0120.00616.08
7.3.180.0050.01016.23
7.3.170.0060.00916.27
7.3.160.0100.01316.46
7.3.120.0110.00614.65
7.3.110.0140.00414.80
7.3.100.0060.00914.53
7.3.90.0070.00714.70
7.3.80.0110.00414.79
7.3.70.0100.00314.80
7.3.60.0040.00414.66
7.3.50.0070.00714.26
7.3.40.0040.00414.67
7.3.30.0070.00714.57
7.3.20.0050.00516.55
7.3.10.0060.00816.55
7.3.00.0100.00316.42
7.2.330.0110.00616.32
7.2.320.0060.01616.46
7.2.310.0090.00916.51
7.2.300.0060.01016.30
7.2.290.0060.01216.25
7.2.250.0110.00715.02
7.2.240.0000.01714.48
7.2.230.0060.00315.05
7.2.220.0070.00714.83
7.2.210.0030.00714.86
7.2.200.0100.00315.00
7.2.190.0060.01015.02
7.2.180.0050.00514.61
7.2.170.0050.00514.71
7.2.60.0070.00416.51
7.1.330.0030.01015.59
7.1.320.0070.00715.70
7.1.310.0070.01015.71
7.1.300.0040.01415.41
7.1.290.0070.00715.77
7.1.280.0060.00315.61
7.1.270.0030.00615.68
7.1.260.0100.00315.35
7.1.200.0070.00715.43
7.1.100.0080.00318.21
7.1.70.0060.00317.19
7.1.60.0100.01319.46
7.1.50.0070.00716.54
7.1.00.0000.08022.54
7.0.200.0030.00616.48
7.0.140.0130.06021.95
7.0.110.0130.07320.07
7.0.100.0030.08720.06
7.0.90.0070.05019.90
7.0.80.0170.08019.88
7.0.70.0030.08319.90
7.0.60.0000.05720.07
7.0.50.0130.07320.06
7.0.40.0030.04319.84
7.0.30.0030.08319.73
7.0.20.0100.08019.75
7.0.10.0130.08019.83
7.0.00.0130.07319.71
5.6.260.0070.08720.59
5.6.250.0000.08320.66
5.6.240.0070.08020.70
5.6.230.0100.08020.71
5.6.220.0100.08320.46
5.6.210.0100.08020.58
5.6.200.0100.03720.61
5.6.190.0200.07020.64
5.6.180.0070.08720.66
5.6.170.0070.08320.55
5.6.160.0100.07720.65
5.6.150.0030.08720.68
5.6.140.0100.06320.69
5.6.130.0070.08320.64
5.6.120.0130.07720.62
5.6.110.0100.07720.57
5.6.100.0100.04720.61
5.6.90.0030.08720.64
5.6.80.0030.07319.96
5.6.70.0130.07019.93
5.6.60.0130.07719.84
5.6.50.0070.07719.94
5.6.40.0100.07720.00
5.6.30.0070.07719.91
5.6.20.0100.04719.91
5.6.10.0070.08319.96
5.6.00.0070.07719.96
5.5.380.0130.06717.63
5.5.370.0170.06717.44
5.5.360.0130.07017.53
5.5.350.0100.06717.61
5.5.340.0070.08018.10
5.5.330.0130.06317.99
5.5.320.0030.06318.25
5.5.310.0030.08317.86
5.5.300.0100.07718.12
5.5.290.0130.07317.98
5.5.280.0100.07717.86
5.5.270.0130.07718.09
5.5.260.0100.07718.24
5.5.250.0100.07017.68
5.5.240.0100.07017.48
5.5.230.0030.08017.24
5.5.220.0100.06017.47
5.5.210.0070.07017.40
5.5.200.0100.04717.51
5.5.190.0030.06017.60
5.5.180.0070.07317.20
5.5.160.0100.07017.48
5.5.150.0070.08017.21
5.5.140.0070.07717.21
5.5.130.0100.06717.33
5.5.120.0070.07317.20
5.5.110.0100.07717.51
5.5.100.0100.07017.42
5.5.90.0000.06717.41
5.5.80.0070.07717.02
5.5.70.0070.08017.11
5.5.60.0130.07017.34
5.5.50.0070.04017.36
5.5.40.0030.07717.41
5.5.30.0070.06717.08
5.5.20.0130.07317.40
5.5.10.0000.06017.08
5.5.00.0030.05717.10
5.4.450.0130.07719.26
5.4.440.0070.08019.32
5.4.430.0130.07719.35
5.4.420.0170.06319.32
5.4.410.0100.06719.14
5.4.400.0100.07319.04
5.4.390.0100.05718.98
5.4.380.0070.07319.16
5.4.370.0030.08019.00
5.4.360.0070.08319.19
5.4.350.0030.08018.96
5.4.340.0030.05019.08
5.4.320.0130.07319.11
5.4.310.0130.07019.00
5.4.300.0070.06019.07
5.4.290.0030.08019.02
5.4.280.0070.08018.95
5.4.270.0030.08019.00
5.4.260.0200.06718.98
5.4.250.0000.04319.02
5.4.240.0170.06718.92
5.4.230.0030.08019.26
5.4.220.0100.07319.24
5.4.210.0030.07719.09
5.4.200.0130.06019.02
5.4.190.0130.07019.17
5.4.180.0100.07318.99
5.4.170.0030.07719.23
5.4.160.0100.07718.93
5.4.150.0030.08019.15
5.4.140.0200.06016.25
5.4.130.0030.07716.20
5.4.120.0030.07716.19
5.4.110.0070.07016.38
5.4.100.0070.05716.49
5.4.90.0030.05716.52
5.4.80.0070.07016.51
5.4.70.0070.04716.17
5.4.60.0070.07016.16
5.4.50.0030.05716.21
5.4.40.0100.07016.51
5.4.30.0230.05716.44
5.4.20.0070.07016.33
5.4.10.0130.06716.47
5.4.00.0100.07015.98
5.3.290.0030.07714.61
5.3.280.0170.06714.62
5.3.270.0000.06314.48
5.3.260.0030.08314.62
5.3.250.0000.08014.50
5.3.240.0130.07014.55
5.3.230.0000.08014.42
5.3.220.0100.07014.36
5.3.210.0100.07314.47
5.3.200.0000.04314.56
5.3.190.0100.07314.66
5.3.180.0200.06014.50
5.3.170.0100.07314.45
5.3.160.0030.07014.35
5.3.150.0070.08014.47
5.3.140.0070.07714.44
5.3.130.0030.08014.41
5.3.120.0100.06314.62
5.3.110.0070.07714.41
5.3.100.0130.06314.06
5.3.90.0100.07313.84
5.3.80.0030.08014.09
5.3.70.0100.05013.95
5.3.60.0130.04013.93
5.3.50.0000.04313.82
5.3.40.0130.06313.84
5.3.30.0030.07013.80
5.3.20.0070.07013.59
5.3.10.0000.04313.44
5.3.00.0070.07313.64
5.2.170.0070.06011.09
5.2.160.0100.05711.08
5.2.150.0070.06011.07
5.2.140.0070.03711.07
5.2.130.0030.06011.11
5.2.120.0030.05311.26
5.2.110.0100.05711.02
5.2.100.0070.04711.01
5.2.90.0030.06011.04
5.2.80.0030.06310.98
5.2.70.0100.05711.11
5.2.60.0070.05710.97
5.2.50.0100.06010.93
5.2.40.0000.06710.93
5.2.30.0030.05010.86
5.2.20.0000.06310.91
5.2.10.0030.06010.85
5.2.00.0130.05310.85
5.1.60.0070.05010.06
5.1.50.0070.0509.95
5.1.40.0030.0539.95
5.1.30.0030.05310.55
5.1.20.0070.05310.35
5.1.10.0100.05310.12
5.1.00.0030.05310.09
5.0.50.0030.0479.95
5.0.40.0070.0409.95
5.0.30.0070.0679.95
5.0.20.0000.0239.95
5.0.10.0070.0379.95
5.0.00.0170.0509.95
4.4.90.0000.0379.95
4.4.80.0000.0379.95
4.4.70.0030.0339.95
4.4.60.0000.0339.95
4.4.50.0100.0279.95
4.4.40.0000.0539.95
4.4.30.0070.0309.95
4.4.20.0070.0279.95
4.4.10.0030.0379.95
4.4.00.0000.0539.95
4.3.110.0030.0279.95
4.3.100.0130.0209.95
4.3.90.0000.0379.95
4.3.80.0000.0339.95
4.3.70.0030.0339.95
4.3.60.0070.0279.95
4.3.50.0000.0379.95
4.3.40.0000.0439.95
4.3.30.0070.0339.95
4.3.20.0030.0179.95
4.3.10.0000.0339.95
4.3.00.0030.0339.95

preferences:
40.72 ms | 400 KiB | 5 Q