3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(!defined('NAN')) define('NAN', acos(1.01)); 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 var_dump(NAN == 'K<WNPO'); // boolean true var_dump(NAN === 'K<WNPO'); // 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)
8.3.60.0030.01716.50
8.3.50.0070.00922.06
8.3.40.0070.00718.58
8.3.30.0100.00318.93
8.3.20.0040.00420.20
8.3.10.0050.00323.67
8.3.00.0050.00322.39
8.2.180.0040.01116.50
8.2.170.0040.01522.96
8.2.160.0120.00322.18
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00422.25
8.2.110.0040.00422.23
8.2.100.0070.00717.78
8.2.90.0000.00718.86
8.2.80.0060.00317.97
8.2.70.0080.00017.50
8.2.60.0000.00817.68
8.2.50.0030.00618.07
8.2.40.0030.00618.03
8.2.30.0080.00017.92
8.2.20.0000.00717.61
8.2.10.0040.00419.45
8.2.00.0040.00417.67
8.1.280.0100.01025.92
8.1.270.0100.00023.79
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00323.96
8.1.230.0040.00819.17
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0050.00517.11
8.1.190.0080.00017.41
8.1.180.0050.00318.10
8.1.170.0070.00318.67
8.1.160.0050.00221.95
8.1.150.0000.00718.53
8.1.140.0040.00417.21
8.1.130.0000.00717.78
8.1.120.0070.00017.36
8.1.110.0040.00417.34
8.1.100.0000.00817.23
8.1.90.0060.00317.32
8.1.80.0040.00417.38
8.1.70.0000.00717.21
8.1.60.0000.00917.42
8.1.50.0060.00317.41
8.1.40.0040.00417.38
8.1.30.0060.00317.41
8.1.20.0070.00017.51
8.1.10.0050.00317.41
8.1.00.0050.00317.33
8.0.300.0040.00418.77
8.0.290.0030.00316.92
8.0.280.0000.00718.36
8.0.270.0030.00317.07
8.0.260.0030.00316.74
8.0.250.0000.00716.84
8.0.240.0060.00316.90
8.0.230.0000.00716.89
8.0.220.0040.00416.72
8.0.210.0060.00316.86
8.0.200.0030.00616.83
8.0.190.0070.00416.95
8.0.180.0050.00316.74
8.0.170.0000.00816.93
8.0.160.0050.00216.85
8.0.150.0060.00316.84
8.0.140.0070.00016.83
8.0.130.0050.00013.29
8.0.120.0040.00416.66
8.0.110.0000.00716.79
8.0.100.0000.00716.79
8.0.90.0040.00416.72
8.0.80.0060.01016.81
8.0.70.0050.00316.83
8.0.60.0040.00416.82
8.0.50.0030.00516.95
8.0.30.0120.00717.01
8.0.20.0140.00517.40
8.0.10.0070.00016.96
8.0.00.0130.00516.76
7.4.330.0050.00015.02
7.4.320.0070.00016.50
7.4.300.0040.00416.29
7.4.290.0070.00016.46
7.4.280.0000.00816.49
7.4.270.0000.00816.41
7.4.260.0000.00816.36
7.4.250.0070.00016.45
7.4.240.0040.00316.48
7.4.230.0000.00716.29
7.4.220.0120.00616.49
7.4.210.0080.00716.45
7.4.200.0000.00716.47
7.4.190.0030.00316.65
7.4.160.0120.00316.28
7.4.150.0180.00617.40
7.4.140.0110.00617.86
7.4.130.0080.00916.32
7.4.120.0090.00816.31
7.4.110.0090.00916.36
7.4.100.0080.00816.39
7.4.90.0070.01016.18
7.4.80.0130.00719.39
7.4.70.0160.00016.34
7.4.60.0110.01116.38
7.4.50.0000.00716.39
7.4.40.0070.00722.77
7.4.30.0070.01016.31
7.4.10.0070.01014.82
7.4.00.0060.01114.75
7.3.330.0020.00212.97
7.3.320.0000.00612.95
7.3.310.0030.00316.34
7.3.300.0070.00016.11
7.3.290.0130.00616.15
7.3.280.0060.01016.22
7.3.270.0150.00917.40
7.3.260.0240.01416.42
7.3.250.0120.00716.38
7.3.240.0120.00416.00
7.3.230.0180.00416.39
7.3.210.0150.00316.36
7.3.200.0170.00319.39
7.3.190.0070.01516.18
7.3.180.0140.00716.40
7.3.170.0060.01016.36
7.3.160.0130.00316.42
7.3.130.0050.01314.72
7.3.120.0050.01214.68
7.3.110.0100.00814.73
7.3.100.0060.01014.60
7.3.90.0090.00714.54
7.3.80.0070.00614.65
7.3.70.0070.00614.62
7.3.60.0070.00714.73
7.3.50.0040.01114.56
7.3.40.0040.00814.61
7.3.30.0020.00914.48
7.3.20.0050.00716.42
7.3.10.0070.00716.55
7.3.00.0060.00916.60
7.2.330.0130.00416.30
7.2.320.0060.01216.54
7.2.310.0090.01316.39
7.2.300.0030.01416.44
7.2.290.0080.01216.53
7.2.260.0080.00714.70
7.2.250.0080.01014.92
7.2.240.0080.00414.79
7.2.230.0080.00714.61
7.2.220.0050.00714.82
7.2.210.0090.00414.67
7.2.200.0060.00914.89
7.2.190.0060.00914.78
7.2.180.0110.00614.86
7.2.170.0030.01114.74
7.2.160.0080.00514.71
7.2.150.0040.01016.59
7.2.140.0070.00816.63
7.2.130.0050.01116.49
7.2.120.0070.00916.65
7.2.110.0070.00916.64
7.2.100.0070.00816.67
7.2.90.0050.01016.74
7.2.80.0070.00616.72
7.2.70.0050.00916.64
7.2.60.0050.00716.62
7.2.50.0080.00916.52
7.2.40.0080.00816.71
7.2.30.0050.00716.75
7.2.20.0050.00816.64
7.2.10.0040.01016.48
7.2.00.0060.00717.34
7.1.330.0080.00615.53
7.1.320.0040.00915.56
7.1.310.0040.00915.69
7.1.300.0060.00615.67
7.1.290.0090.00515.77
7.1.280.0050.00815.55
7.1.270.0060.00615.62
7.1.260.0050.00815.72
7.1.250.0080.00415.48
7.1.240.0020.00815.67
7.1.230.0060.00815.66
7.1.220.0060.00615.66
7.1.210.0020.01215.63
7.1.200.0040.00715.60
7.1.190.0040.00715.58
7.1.180.0070.00715.55
7.1.170.0080.00615.78
7.1.160.0100.00515.65
7.1.150.0040.01115.64
7.1.140.0070.00515.68
7.1.130.0020.01215.76
7.1.120.0040.00915.47
7.1.110.0060.00615.58
7.1.100.0050.01016.50
7.1.90.0070.00515.74
7.1.80.0080.00415.67
7.1.70.0090.00316.01
7.1.60.0050.00816.71
7.1.50.0070.00916.00
7.1.40.0080.00815.57
7.1.30.0060.00815.71
7.1.20.0060.01015.69
7.1.10.0060.00615.50
7.1.00.0090.02417.90
7.0.330.0070.00415.40
7.0.320.0050.00915.41
7.0.310.0060.00615.42
7.0.300.0080.00515.46
7.0.290.0070.01015.23
7.0.280.0020.01115.47
7.0.270.0050.00715.21
7.0.260.0080.00515.30
7.0.250.0030.01315.37
7.0.240.0030.00715.51
7.0.230.0070.00815.30
7.0.220.0100.00515.37
7.0.210.0070.00515.40
7.0.200.0060.00615.62
7.0.190.0030.00915.35
7.0.180.0070.01015.08
7.0.170.0090.00515.49
7.0.160.0060.00515.24
7.0.150.0070.00415.19
7.0.140.0020.03117.71
7.0.130.0050.00815.39
7.0.120.0090.00215.51
7.0.110.0070.00515.28
7.0.100.0100.03116.91
7.0.90.0110.03016.89
7.0.80.0080.03216.80
7.0.70.0080.01916.92
7.0.60.0020.03516.85
7.0.50.0040.02717.11
7.0.40.0060.01815.58
7.0.30.0070.01815.51
7.0.20.0030.02015.57
7.0.10.0100.01715.68
7.0.00.0080.01515.58
5.6.400.0050.00514.25
5.6.390.0050.01114.26
5.6.380.0070.00814.39
5.6.370.0040.00614.10
5.6.360.0040.01114.24
5.6.350.0070.01214.23
5.6.340.0080.00614.38
5.6.330.0000.01514.18
5.6.320.0080.00714.49
5.6.310.0060.00814.35
5.6.300.0020.01314.19
5.6.290.0080.00714.19
5.6.280.0060.02916.58
5.6.270.0040.00814.21
5.6.260.0070.00714.23
5.6.250.0030.03616.32
5.6.240.0090.03316.29
5.6.230.0060.02116.39
5.6.220.0040.02016.33
5.6.210.0040.03216.42
5.6.200.0050.02416.57
5.6.190.0050.03216.55
5.6.180.0050.02216.57
5.6.170.0040.02116.50
5.6.160.0060.01916.59
5.6.150.0070.01716.58
5.6.140.0020.02316.52
5.6.130.0080.02116.50
5.6.120.0090.02016.65
5.6.110.0050.02016.52
5.6.100.0060.01816.57
5.6.90.0070.02016.40
5.6.80.0070.01616.26
5.6.70.0110.01716.24
5.6.60.0040.02316.23
5.6.50.0060.02116.41
5.6.40.0060.01516.24
5.6.30.0110.01216.12
5.6.20.0060.01616.19
5.6.10.0060.02016.23
5.6.00.0040.01916.20
5.5.380.0070.03216.33
5.5.370.0060.02916.29
5.5.360.0060.03216.26
5.5.350.0050.02116.21
5.5.340.0030.01916.44
5.5.330.0050.01916.42
5.5.320.0070.01816.50
5.5.310.0050.02016.40
5.5.300.0070.01616.47
5.5.290.0070.01916.42
5.5.280.0080.01616.43
5.5.270.0050.02916.31
5.5.260.0100.01516.53
5.5.250.0060.02616.27
5.5.240.0060.02016.08
5.5.230.0040.01916.04
5.5.220.0060.02016.12
5.5.210.0080.01716.13
5.5.200.0010.02216.13
5.5.190.0030.02016.06
5.5.180.0040.01616.22
5.5.170.0080.00314.12
5.5.160.0030.01916.14
5.5.150.0050.01616.02
5.5.140.0060.01716.06
5.5.130.0020.01916.05
5.5.120.0080.02415.96
5.5.110.0050.01916.15
5.5.100.0110.01316.04
5.5.90.0040.01816.13
5.5.80.0080.01816.09
5.5.70.0060.01516.03
5.5.60.0040.02216.09
5.5.50.0030.03316.06
5.5.40.0130.02615.97
5.5.30.0040.02716.11
5.5.20.0110.03016.18
5.5.10.0070.02516.19
5.5.00.0080.03215.96
5.4.450.0070.01814.09
5.4.440.0070.01614.12
5.4.430.0060.02914.17
5.4.420.0040.02014.19
5.4.410.0030.02014.00
5.4.400.0050.01914.01
5.4.390.0050.01614.06
5.4.380.0030.01813.98
5.4.370.0030.01714.05
5.4.360.0030.01513.98
5.4.350.0060.01313.96
5.4.340.0090.01013.97
5.4.330.0020.00611.46
5.4.320.0070.01614.04
5.4.310.0040.01714.02
5.4.300.0020.01714.06
5.4.290.0030.01513.91
5.4.280.0030.01313.94
5.4.270.0020.01914.06
5.4.260.0000.01813.95
5.4.250.0080.01813.98
5.4.240.0050.01814.01
5.4.230.0020.01714.02
5.4.220.0020.02014.05
5.4.210.0040.02914.04
5.4.200.0060.01813.87
5.4.190.0080.02613.99
5.4.180.0060.02513.96
5.4.170.0050.01814.06
5.4.160.0070.02813.98
5.4.150.0070.02714.01
5.4.140.0040.02913.07
5.4.130.0050.02913.00
5.4.120.0060.02813.18
5.4.110.0060.02813.06
5.4.100.0070.02413.08
5.4.90.0080.02313.11
5.4.80.0100.02413.17
5.4.70.0040.02413.09
5.4.60.0060.02313.08
5.4.50.0050.03013.11
5.4.40.0040.01813.14
5.4.30.0030.01913.04
5.4.20.0080.02312.99
5.4.10.0040.03213.06
5.4.00.0070.01912.81
5.3.290.0040.01612.41
5.3.280.0010.01912.30
5.3.270.0070.02312.25
5.3.260.0050.02912.40
5.3.250.0040.02212.37
5.3.240.0050.01812.34
5.3.230.0030.02212.30
5.3.220.0050.02612.25
5.3.210.0040.03612.28
5.3.200.0010.02512.22
5.3.190.0060.03112.34
5.3.180.0060.02912.42
5.3.170.0020.03212.35
5.3.160.0080.02412.40
5.3.150.0080.02312.39
5.3.140.0020.02012.31
5.3.130.0040.03012.35
5.3.120.0030.03012.29
5.3.110.0060.01812.29
5.3.100.0060.02712.12
5.3.90.0050.02712.16
5.3.80.0070.01612.06
5.3.70.0060.02412.04
5.3.60.0070.02412.09
5.3.50.0080.02512.04
5.3.40.0080.02712.07
5.3.30.0060.01912.13
5.3.20.0030.02712.01
5.3.10.0050.02811.94
5.3.00.0030.03011.96
5.2.170.0100.04311.86
5.2.160.0030.07711.86
5.2.150.0100.06011.86
5.2.140.0000.07011.86
5.2.130.0170.02711.86
5.2.120.0130.02311.86
5.2.110.0070.05711.86
5.2.100.0130.05011.86
5.2.90.0100.07311.86
5.2.80.0030.05011.86
5.2.70.0000.06711.86
5.2.60.0030.05011.86
5.2.50.0070.05311.86
5.2.40.0070.06711.86
5.2.30.0030.06711.86
5.2.20.0030.04311.86
5.2.10.0070.05711.86
5.2.00.0100.05011.86
5.1.60.0130.04311.86
5.1.50.0000.05711.86
5.1.40.0030.04011.86
5.1.30.0070.02711.86
5.1.20.0070.05011.86
5.1.10.0030.05711.86
5.1.00.0030.05011.86
5.0.50.0070.05311.86
5.0.40.0030.04711.86
5.0.30.0000.06711.86
5.0.20.0030.03011.86
5.0.10.0000.04711.86
5.0.00.0000.03711.86
4.4.90.0000.03311.86
4.4.80.0030.04011.86
4.4.70.0000.04011.86
4.4.60.0100.02711.86
4.4.50.0070.03011.86
4.4.40.0000.04711.86
4.4.30.0070.03011.86
4.4.20.0000.03311.86
4.4.10.0070.03011.86
4.4.00.0000.05711.86
4.3.110.0070.03311.86
4.3.100.0000.03711.86
4.3.90.0070.03311.86
4.3.80.0000.05711.86
4.3.70.0000.03311.86
4.3.60.0030.02711.86
4.3.50.0030.03711.86
4.3.40.0000.05311.86
4.3.30.0032.0636.31
4.3.20.0030.03311.86
4.3.10.0000.04011.86
4.3.00.0000.03011.86

preferences:
50.58 ms | 401 KiB | 5 Q