3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0001111222 ; var_dump($a); var_dump(is_numeric($a)); //true var_dump(ctype_digit($a)); //true $a = 0.1 ; var_dump($a); var_dump(is_numeric($a)); //true var_dump(ctype_digit($a)); //false $a = -1 ; var_dump($a); var_dump(is_numeric($a)); //true var_dump(ctype_digit($a)); //false $a = a ; var_dump($a); var_dump(is_numeric($a)); //false var_dump(ctype_digit($a)); //false var_dump(sqrt(16)); var_dump(is_int(sqrt(16))); $a = 9.45*100; var_dump($a); var_dump(intval($a)); $a = 945*1.00; var_dump($a); var_dump(intval($a)); $c=null; var_dump(isset($c)); var_dump(is_null ($c)); echo "<br/>数值强制转换:"; $string="2a"; $string1=intval($string); echo '$string1的值:'.$string1.'$string2的值:';//单引号不会输出变量,将原样输出 $string2=(int)($string); echo $string2 ;

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)
8.3.60.0090.00616.63
8.3.50.0120.00521.94
8.3.40.0110.00418.99
8.3.30.0130.00319.23
8.3.20.0000.00820.34
8.3.10.0080.00823.48
8.3.00.0060.00317.50
8.2.180.0030.01618.29
8.2.170.0070.01122.96
8.2.160.0140.00420.53
8.2.150.0100.01024.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0110.00722.14
8.2.110.0030.00622.25
8.2.100.0110.00017.97
8.2.90.0040.00419.22
8.2.80.0080.00017.97
8.2.70.0040.00717.75
8.2.60.0000.00918.03
8.2.50.0060.00318.07
8.2.40.0000.00818.22
8.2.30.0070.00018.03
8.2.20.0080.00017.82
8.2.10.0000.00718.06
8.2.00.0080.00017.88
8.1.280.0090.01225.92
8.1.270.0040.00423.91
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0070.00323.79
8.1.230.0090.00319.22
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.38
8.1.190.0050.00217.53
8.1.180.0030.00618.10
8.1.170.0050.00318.65
8.1.160.0040.00422.07
8.1.150.0030.00618.66
8.1.140.0050.00217.53
8.1.130.0000.00717.91
8.1.120.0100.00017.52
8.1.110.0000.00817.45
8.1.100.0040.00417.45
8.1.90.0040.00417.45
8.1.80.0030.00317.52
8.1.70.0040.00417.39
8.1.60.0030.00517.59
8.1.50.0050.00517.52
8.1.40.0060.00317.50
8.1.30.0000.00817.67
8.1.20.0030.00617.71
8.1.10.0020.00517.45
8.1.00.0000.00817.54
8.0.300.0060.00318.77
8.0.290.0040.00417.18
8.0.280.0050.00318.46
8.0.270.0000.00717.32
8.0.260.0060.00017.19
8.0.250.0030.00317.02
8.0.240.0060.00317.03
8.0.230.0000.01017.06
8.0.220.0000.00716.86
8.0.210.0000.00716.89
8.0.200.0030.00317.07
8.0.190.0000.00716.91
8.0.180.0040.00416.95
8.0.170.0040.00416.93
8.0.160.0000.00717.02
8.0.150.0040.00416.95
8.0.140.0070.00016.94
8.0.130.0050.00313.40
8.0.120.0030.00616.93
8.0.110.0070.00017.02
8.0.100.0000.00816.77
8.0.90.0040.00417.00
8.0.80.0100.00716.88
8.0.70.0040.00416.80
8.0.60.0000.00817.02
8.0.50.0000.00816.94
8.0.30.0100.00817.21
8.0.20.0170.00517.40
8.0.10.0050.00217.05
8.0.00.0060.01216.72
7.4.330.0030.00315.18
7.4.320.0030.00616.54
7.4.300.0030.00316.62
7.4.290.0070.00016.59
7.4.280.0040.00416.52
7.4.270.0040.00416.47
7.4.260.0040.00416.58
7.4.250.0000.00816.59
7.4.240.0020.00516.54
7.4.230.0030.00316.54
7.4.220.0090.01016.48
7.4.210.0060.00816.61
7.4.200.0000.00716.51
7.4.190.0040.00416.70
7.4.160.0080.00816.64
7.4.150.0080.00817.40
7.4.140.0130.00717.86
7.4.130.0120.00516.57
7.4.120.0120.00716.59
7.4.110.0090.00916.64
7.4.100.0060.01316.54
7.4.90.0000.01816.39
7.4.80.0120.00619.39
7.4.70.0030.01316.70
7.4.60.0070.01016.62
7.4.50.0000.00916.73
7.4.40.0100.00322.77
7.4.30.0090.00916.50
7.4.00.0060.00914.92
7.3.330.0020.00213.32
7.3.320.0050.00013.07
7.3.310.0050.00216.20
7.3.300.0070.00016.18
7.3.290.0050.01016.23
7.3.280.0090.00816.36
7.3.270.0090.00917.40
7.3.260.0090.00916.38
7.3.250.0080.01416.33
7.3.240.0060.00916.39
7.3.230.0120.00416.39
7.3.210.0090.00916.40
7.3.200.0160.00619.39
7.3.190.0120.00916.66
7.3.180.0030.01316.24
7.3.170.0130.00316.57
7.3.160.0130.00516.29
7.3.120.0000.01814.79
7.3.110.0060.01115.11
7.3.100.0090.00615.04
7.3.90.0100.00715.02
7.3.80.0070.00714.89
7.3.70.0000.01514.88
7.3.60.0000.00914.87
7.3.50.0030.00714.53
7.3.40.0070.00714.93
7.3.30.0100.00714.88
7.3.20.0070.00716.67
7.3.10.0130.00216.55
7.3.00.0050.01116.52
7.2.330.0060.01216.71
7.2.320.0070.01016.65
7.2.310.0090.00916.63
7.2.300.0060.01116.75
7.2.290.0090.00916.63
7.2.240.0070.00714.97
7.2.230.0070.00715.02
7.2.220.0070.01015.10
7.2.210.0070.01114.86
7.2.200.0070.00415.07
7.2.190.0040.01114.74
7.2.180.0060.00915.04
7.2.170.0060.00614.89
7.2.160.0070.00714.77
7.2.150.0080.00416.81
7.2.140.0100.00616.53
7.2.130.0060.00816.71
7.2.120.0060.00816.85
7.2.110.0040.01016.76
7.2.100.0030.00716.82
7.2.90.0050.00716.86
7.2.80.0060.00716.82
7.2.70.0080.00717.00
7.2.60.0070.00916.74
7.2.50.0050.00916.98
7.2.40.0090.00616.84
7.2.30.0070.00516.89
7.2.20.0090.00616.91
7.2.10.0030.01016.96
7.2.00.0040.00917.67
7.1.330.0140.00415.66
7.1.320.0040.01215.67
7.1.310.0100.00015.63
7.1.300.0000.01315.77
7.1.290.0080.00615.38
7.1.280.0030.01315.73
7.1.270.0040.01115.77
7.1.260.0060.00315.70
7.1.250.0050.00615.72
7.1.200.0030.01015.74
7.1.70.0060.00317.20
7.1.60.0090.00616.96
7.1.50.0160.01634.98
7.1.00.0130.07022.29
7.0.200.0050.00816.69
7.0.140.0030.07322.00
7.0.60.0100.07720.05
7.0.50.0000.04317.91
7.0.40.0070.05320.20
7.0.30.0170.06020.09
7.0.20.0200.04320.13
7.0.10.0170.08320.04
7.0.00.0030.04320.09
5.6.280.0030.07320.89
5.6.210.0200.06720.73
5.6.200.0000.04318.18
5.6.190.0030.04320.43
5.6.180.0230.06020.63
5.6.170.0330.06720.52
5.6.160.0130.06020.47
5.6.150.0070.08018.15
5.6.140.0030.04018.18
5.6.130.0100.07718.12
5.6.120.0000.04721.03
5.6.110.0070.08721.00
5.6.100.0200.07021.01
5.6.90.0030.04720.95
5.6.80.0000.04320.51
5.5.350.0100.06320.39
5.5.340.0030.04017.91
5.5.330.0030.04320.36
5.5.320.0100.03720.32
5.5.310.0270.04720.29
5.5.300.0030.04717.86
5.5.290.0100.03317.98
5.5.280.0100.04720.88
5.5.270.0070.05020.79
5.5.260.0070.08020.87
5.5.250.0000.08320.50
5.5.240.4170.03720.24
5.4.450.0500.05719.13
5.4.440.0730.05319.47
5.4.430.0230.04319.61
5.4.420.0800.07319.13
5.4.410.0870.05719.41
5.4.400.1030.07019.30
5.4.390.0900.05019.16
5.4.380.0530.04718.61
5.4.370.0170.06018.69
5.4.360.0200.05318.66
5.4.350.0330.04718.66
5.4.340.0230.05318.74
5.4.320.0030.03812.46
5.4.310.0030.04412.46
5.4.300.0050.03712.46
5.4.290.0060.03912.46
5.4.280.0080.05612.33
5.4.270.0120.05112.34
5.4.260.0100.05912.33
5.4.250.0090.05812.33
5.4.240.0110.05612.34
5.4.230.0070.05912.33
5.4.220.0110.05612.32
5.4.210.0130.05012.33
5.4.200.0190.05212.33
5.4.190.0170.05012.32
5.4.180.0130.05512.32
5.4.170.0110.05712.33
5.4.160.0150.05012.33
5.4.150.0120.05112.33
5.4.140.0120.05512.01
5.4.130.0150.04912.00
5.4.120.0070.05611.96
5.4.110.0080.05311.95
5.4.100.0090.04911.95
5.4.90.0080.04911.95
5.4.80.0120.05611.95
5.4.70.0070.05011.95
5.4.60.0120.05111.95
5.4.50.0140.05011.95
5.4.40.0090.05411.94
5.4.30.0080.05311.93
5.4.20.0120.04811.93
5.4.10.0100.04911.94
5.4.00.0080.05211.43
5.3.290.0090.05112.80
5.3.280.0120.05212.71
5.3.270.0130.05512.72
5.3.260.0160.05112.72
5.3.250.0110.05212.72
5.3.240.0110.05412.71
5.3.230.0120.05012.71
5.3.220.0110.05512.68
5.3.210.0210.04712.68
5.3.200.0240.04012.68
5.3.190.0140.04812.67
5.3.180.0160.04712.68
5.3.170.0130.04812.66
5.3.160.0110.05112.67
5.3.150.0170.04812.67
5.3.140.0170.04812.66
5.3.130.0100.06212.66
5.3.120.0090.06212.66
5.3.110.0170.05712.66
5.3.100.0130.05512.12
5.3.90.0150.05512.08
5.3.80.0150.05612.08
5.3.70.0110.05712.07
5.3.60.0090.05612.07
5.3.50.0060.05412.00
5.3.40.0120.05012.00
5.3.30.0110.05111.94
5.3.20.0170.04311.72
5.3.10.0150.04911.68
5.3.00.0100.05311.68
5.2.170.0140.0409.18
5.2.160.0100.0439.18
5.2.150.0110.0429.18
5.2.140.0090.0439.17
5.2.130.0110.0389.13
5.2.120.0090.0419.13
5.2.110.0110.0389.14
5.2.100.0080.0439.14
5.2.90.0080.0449.13
5.2.80.0050.0469.13
5.2.70.0150.0419.13
5.2.60.0120.0499.08
5.2.50.0070.0489.05
5.2.40.0090.0419.03
5.2.30.0040.0459.01
5.2.20.0100.0429.00
5.2.10.0130.0388.94
5.2.00.0060.0458.80
5.1.60.0110.0348.08
5.1.50.0070.0378.08
5.1.40.0060.0398.07
5.1.30.0130.0368.41
5.1.20.0070.0438.43
5.1.10.0090.0378.16
5.1.00.0120.0338.16
5.0.50.0050.0306.64
5.0.40.0070.0276.50
5.0.30.0060.0446.31
5.0.20.0100.0236.23
5.0.10.0080.0256.21
5.0.00.0070.0396.20
4.4.90.0060.0244.78
4.4.80.0020.0254.75
4.4.70.0040.0234.75
4.4.60.0090.0194.75
4.4.50.0070.0194.77
4.4.40.0050.0344.71
4.4.30.0070.0184.76
4.4.20.0030.0314.84
4.4.10.0040.0164.85
4.4.00.0030.0274.76
4.3.110.0010.0204.67
4.3.100.0030.0184.66
4.3.90.0030.0194.64
4.3.80.0040.0304.59
4.3.70.0080.0214.63
4.3.60.0060.0204.63
4.3.50.0040.0184.62
4.3.40.0040.0274.54
4.3.30.0050.0163.29
4.3.20.0020.0193.27
4.3.10.0030.0173.23
4.3.00.0100.0278.80

preferences:
46.67 ms | 401 KiB | 5 Q