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 ; var_dump(array(1,2,3,'4'),"'");

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)
8.3.40.0110.00418.87
8.3.30.0200.00019.27
8.3.20.0070.00020.38
8.3.10.0130.01023.66
8.3.00.0000.00917.59
8.2.170.0120.00922.96
8.2.160.0070.01020.47
8.2.150.0090.00924.18
8.2.140.0080.00024.66
8.2.130.0140.00326.16
8.2.120.0070.00022.06
8.2.110.0060.00322.08
8.2.100.0070.00417.84
8.2.90.0050.00319.09
8.2.80.0050.00317.97
8.2.70.0080.00417.63
8.2.60.0040.00417.80
8.2.50.0060.00318.07
8.2.40.0040.00418.34
8.2.30.0000.00717.99
8.2.20.0000.00817.64
8.2.10.0080.00018.15
8.2.00.0030.00617.88
8.1.270.0080.00823.88
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0070.00423.96
8.1.230.0090.00618.75
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0040.00417.36
8.1.190.0040.00417.41
8.1.180.0030.00618.10
8.1.170.0090.00018.59
8.1.160.0040.00422.02
8.1.150.0040.00418.67
8.1.140.0000.00817.52
8.1.130.0070.00017.72
8.1.120.0030.00617.52
8.1.110.0080.00017.54
8.1.100.0040.00417.50
8.1.90.0030.00517.52
8.1.80.0070.00017.47
8.1.70.0000.00717.42
8.1.60.0000.00817.55
8.1.50.0080.00017.47
8.1.40.0030.00517.52
8.1.30.0040.00417.58
8.1.20.0040.00417.59
8.1.10.0000.00817.59
8.1.00.0040.00417.47
8.0.300.0050.00218.77
8.0.290.0000.00817.18
8.0.280.0030.00318.43
8.0.270.0030.00317.27
8.0.260.0000.00617.28
8.0.250.0070.00017.06
8.0.240.0070.00416.97
8.0.230.0070.00316.69
8.0.220.0000.00717.00
8.0.210.0040.00416.93
8.0.200.0000.00717.02
8.0.190.0040.00417.03
8.0.180.0050.00316.91
8.0.170.0000.00717.03
8.0.160.0030.00316.84
8.0.150.0080.00017.01
8.0.140.0000.00716.96
8.0.130.0030.00313.46
8.0.120.0030.00516.89
8.0.110.0050.00316.87
8.0.100.0050.00217.03
8.0.90.0020.00516.98
8.0.80.0120.00316.95
8.0.70.0000.00816.96
8.0.60.0040.00417.02
8.0.50.0040.00416.92
8.0.30.0140.00517.27
8.0.20.0110.01317.40
8.0.10.0030.00817.10
8.0.00.0080.00916.77
7.4.330.0030.00315.16
7.4.320.0060.00316.54
7.4.300.0030.00316.57
7.4.290.0030.00316.42
7.4.280.0060.00316.66
7.4.270.0050.00216.53
7.4.260.0040.00416.62
7.4.250.0000.00716.49
7.4.240.0030.00516.61
7.4.230.0000.00716.65
7.4.220.0220.00616.52
7.4.210.0130.00316.55
7.4.200.0070.00016.63
7.4.190.0040.00416.50
7.4.160.0060.01016.60
7.4.150.0100.01017.40
7.4.140.0080.01017.86
7.4.130.0070.01016.57
7.4.120.0090.00916.69
7.4.110.0000.01816.48
7.4.100.0030.01616.41
7.4.90.0070.01116.68
7.4.80.0110.00719.39
7.4.70.0100.00716.54
7.4.60.0130.00316.59
7.4.50.0000.00816.45
7.4.40.0070.00322.77
7.4.30.0070.01016.46
7.4.00.0070.00715.16
7.3.330.0050.00013.22
7.3.320.0030.00313.26
7.3.310.0070.00016.23
7.3.300.0000.00716.34
7.3.290.0070.01116.39
7.3.280.0130.00516.37
7.3.270.0120.00617.40
7.3.260.0450.01016.38
7.3.250.0110.00816.31
7.3.240.0100.00716.53
7.3.230.0070.01016.39
7.3.210.0060.01316.53
7.3.200.0140.00319.39
7.3.190.0060.01216.39
7.3.180.0000.01916.34
7.3.170.0030.01316.52
7.3.160.0160.00616.57
7.3.120.0090.00614.89
7.2.330.0050.01416.73
7.2.320.0000.01916.63
7.2.310.0030.01816.42
7.2.300.0080.00816.64
7.2.290.0100.00716.79
7.2.60.0070.00717.00
7.2.00.0030.00919.33
7.1.200.0060.01215.97
7.1.100.0070.00717.85
7.1.70.0040.00417.15
7.1.60.0060.01019.33
7.1.50.0070.01416.96
7.1.00.0030.07722.57
7.0.200.0000.01114.83
7.0.140.0030.07021.92
7.0.100.0330.08719.98
7.0.90.0330.09019.89
7.0.80.0300.08719.86
7.0.70.0330.09019.86
7.0.60.0300.07719.97
7.0.50.0170.08020.19
7.0.40.0230.04319.90
7.0.30.0070.08020.11
7.0.20.0100.08020.03
7.0.10.0070.07720.02
7.0.00.0170.07319.89
5.6.280.0030.07320.87
5.6.250.0130.07020.71
5.6.240.0130.07720.47
5.6.230.0030.05720.56
5.6.220.0000.08020.44
5.6.210.0100.08020.73
5.6.200.0100.08321.07
5.6.190.0070.08320.98
5.6.180.0030.07321.02
5.6.170.0100.05021.02
5.6.160.0030.06020.98
5.6.150.0100.08021.06
5.6.140.0070.05021.00
5.6.130.0100.08721.10
5.6.120.0030.09021.00
5.6.110.0000.09020.95
5.6.100.0130.07321.08
5.6.90.0200.07320.98
5.6.80.0100.08020.43
5.6.70.0070.07020.27
5.6.60.0070.08020.41
5.6.50.0100.07020.38
5.6.40.0200.06720.45
5.6.30.0130.06720.36
5.6.20.0030.06020.40
5.6.10.0100.07320.27
5.6.00.0100.07320.32
5.5.380.0170.06320.31
5.5.370.0130.07020.34
5.5.360.0070.08320.40
5.5.350.0070.08320.38
5.5.340.0130.07720.60
5.5.330.0130.06320.73
5.5.320.0070.07720.88
5.5.310.0030.08020.57
5.5.300.0070.08320.79
5.5.290.0070.07720.82
5.5.280.0070.08320.73
5.5.270.0130.06720.86
5.5.260.0100.08320.86
5.5.250.0070.04720.57
5.5.240.0100.06020.15
5.5.230.0100.08020.27
5.5.220.0030.07020.21
5.5.210.0070.07720.23
5.5.200.0070.04720.20
5.5.190.0070.08320.17
5.5.180.0070.08720.11
5.5.160.0130.06720.20
5.5.150.0000.05020.09
5.5.140.0030.07020.23
5.5.130.0170.07020.23
5.5.120.0100.06720.18
5.5.110.0100.07320.24
5.5.100.0000.07720.07
5.5.90.0100.06320.00
5.5.80.0030.05020.04
5.5.70.0100.05320.05
5.5.60.0070.07720.02
5.5.50.0000.08020.12
5.5.40.0100.07320.01
5.5.30.0070.07320.11
5.5.20.0200.06319.89
5.5.10.0070.08019.94
5.5.00.0000.04320.03
5.4.450.0070.08319.30
5.4.440.0070.08019.30
5.4.430.0030.08319.46
5.4.420.0070.08019.41
5.4.410.0070.07719.14
5.4.400.0070.07018.96
5.4.390.0100.06318.90
5.4.380.0000.08019.03
5.4.370.0130.06019.10
5.4.360.0130.07318.79
5.4.350.0000.08019.06
5.4.340.0070.04319.13
5.4.320.0070.07319.23
5.4.310.0070.06719.22
5.4.300.0030.07319.05
5.4.290.0100.04018.83
5.4.280.0100.07018.98
5.4.270.0170.06019.06
5.4.260.0100.07318.98
5.4.250.0100.07019.11
5.4.240.0130.07018.81
5.4.230.0130.07019.19
5.4.220.0030.05019.09
5.4.210.0030.07718.84
5.4.200.0000.04719.07
5.4.190.0000.08318.89
5.4.180.0200.06019.13
5.4.170.0030.04019.22
5.4.160.0000.08018.77
5.4.150.0130.07019.21
5.4.140.0030.07016.04
5.4.130.0030.07316.30
5.4.120.0100.07016.01
5.4.110.0170.06716.42
5.4.100.0030.07316.39
5.4.90.0170.05316.41
5.4.80.0100.06716.28
5.4.70.0070.07016.32
5.4.60.0100.06716.37
5.4.50.0070.07316.36
5.4.40.0130.07016.41
5.4.30.0170.06016.41
5.4.20.0030.06716.18
5.4.10.0100.07316.30
5.4.00.0070.07315.58
5.3.290.0070.08014.53
5.3.280.0070.07314.46
5.3.270.0030.06714.50
5.3.260.0000.08714.60
5.3.250.0100.06714.62
5.3.240.0070.08014.44
5.3.230.0030.08014.48
5.3.220.0070.07314.41
5.3.210.0070.07714.49
5.3.200.0130.03714.57
5.3.190.0130.04714.57
5.3.180.0100.07014.54
5.3.170.0070.07314.56
5.3.160.0130.06714.40
5.3.150.0100.03014.56
5.3.140.0130.07014.58
5.3.130.0170.06314.41
5.3.120.0070.07714.53
5.3.110.0130.06714.53
5.3.100.0100.06714.04
5.3.90.0030.05013.90
5.3.80.0000.08314.02
5.3.70.0030.08013.81
5.3.60.0100.07313.98
5.3.50.0130.06713.96
5.3.40.0030.07713.95
5.3.30.0100.06713.90
5.3.20.0130.06313.61
5.3.10.0130.05713.53
5.3.00.0130.06013.53
5.2.170.0070.05711.19
5.2.160.0030.06311.16
5.2.150.0030.06311.02
5.2.140.0070.06311.16
5.2.130.0030.03711.06
5.2.120.0030.06310.99
5.2.110.0030.06311.17
5.2.100.0030.06310.96
5.2.90.0100.05010.91
5.2.80.0030.06311.11
5.2.70.0070.06011.15
5.2.60.0030.06011.06
5.2.50.0000.06711.03
5.2.40.0100.05711.05
5.2.30.0000.06711.06
5.2.20.0200.05711.03
5.2.10.0030.06010.96
5.2.00.0100.05310.71
5.1.60.0000.04310.12
5.1.50.0000.04310.07
5.1.40.0100.0439.90
5.1.30.0030.05010.46
5.1.20.0070.06010.48
5.1.10.0030.0509.98
5.1.00.0100.03710.14
5.0.50.0030.0508.63
5.0.40.0030.0438.49
5.0.30.0070.0638.37
5.0.20.0030.0478.02
5.0.10.0100.0408.02
5.0.00.0030.0638.05
4.4.90.0000.0378.02
4.4.80.0030.0378.02
4.4.70.0000.0408.02
4.4.60.0030.0278.02
4.4.50.0030.0308.02
4.4.40.0030.0438.02
4.4.30.0030.0378.02
4.4.20.0030.0338.02
4.4.10.0000.0378.02
4.4.00.0000.0538.02
4.3.110.0000.0378.02
4.3.100.0000.0378.02
4.3.90.0070.0308.02
4.3.80.0000.0578.02
4.3.70.0070.0308.02
4.3.60.0000.0338.02
4.3.50.0000.0238.02
4.3.40.0000.0478.02
4.3.30.0030.0338.02
4.3.20.0000.0278.02
4.3.10.0030.0338.02
4.3.00.0030.0178.02

preferences:
41.51 ms | 400 KiB | 5 Q