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 var_dump(ctype_digit(77)); echo '分 '; $a = 0.1 ; var_dump($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(json_encode(array(1,2,3,'4'),1));

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)
8.3.70.0060.00916.88
8.3.60.0140.00716.63
8.3.50.0120.00521.88
8.3.40.0060.00918.79
8.3.30.0040.01119.04
8.3.20.0040.00420.29
8.3.10.0080.00023.61
8.3.00.0070.00319.51
8.2.180.0110.00716.50
8.2.170.0000.01522.96
8.2.160.0140.00420.43
8.2.150.0050.00324.18
8.2.140.0060.01224.66
8.2.130.0120.00326.16
8.2.120.0040.00422.14
8.2.110.0070.00320.95
8.2.100.0090.00318.09
8.2.90.0030.00519.13
8.2.80.0080.00017.97
8.2.70.0030.00617.50
8.2.60.0030.00617.80
8.2.50.0080.00418.16
8.2.40.0000.00720.43
8.2.30.0040.00419.17
8.2.20.0070.00017.66
8.2.10.0040.00418.14
8.2.00.0000.00817.81
8.1.280.0120.00325.92
8.1.270.0090.00021.88
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.54
8.1.230.0080.00320.34
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0080.00017.36
8.1.180.0040.00418.10
8.1.170.0040.00418.55
8.1.160.0040.00418.90
8.1.150.0000.00720.07
8.1.140.0040.00417.38
8.1.130.0000.00717.90
8.1.120.0000.00817.37
8.1.110.0040.00417.46
8.1.100.0070.00017.40
8.1.90.0040.00417.48
8.1.80.0060.00317.43
8.1.70.0070.00017.37
8.1.60.0000.00817.56
8.1.50.0040.00417.48
8.1.40.0040.00417.45
8.1.30.0040.00417.67
8.1.20.0000.00817.61
8.1.10.0000.00817.57
8.1.00.0000.00817.41
8.0.300.0030.00618.77
8.0.290.0080.00016.75
8.0.280.0070.00018.34
8.0.270.0000.00717.32
8.0.260.0000.00717.20
8.0.250.0030.00316.93
8.0.240.0070.00317.03
8.0.230.0070.00016.93
8.0.220.0030.00317.01
8.0.210.0030.00317.03
8.0.200.0030.00317.00
8.0.190.0030.00616.94
8.0.180.0040.00416.96
8.0.170.0030.00616.91
8.0.160.0000.00717.02
8.0.150.0000.00717.00
8.0.140.0020.00516.90
8.0.130.0040.00413.38
8.0.120.0070.00016.92
8.0.110.0040.00416.94
8.0.100.0040.00416.85
8.0.90.0030.00616.75
8.0.80.0150.00616.96
8.0.70.0020.00516.84
8.0.60.0050.00216.84
8.0.50.0050.00216.95
8.0.30.0090.01017.28
8.0.20.0070.01117.40
8.0.10.0040.00416.93
8.0.00.0120.01216.76
7.4.330.0000.00515.14
7.4.320.0050.00316.43
7.4.300.0030.00316.57
7.4.290.0000.00816.41
7.4.280.0000.01016.51
7.4.270.0000.00716.54
7.4.260.0000.00716.52
7.4.250.0020.00516.39
7.4.240.0020.00516.55
7.4.230.0030.00316.39
7.4.220.0150.00416.69
7.4.210.0080.00816.55
7.4.200.0030.00316.54
7.4.190.0000.00816.52
7.4.160.0000.01716.56
7.4.150.0000.01817.40
7.4.140.0100.00817.86
7.4.130.0090.00816.46
7.4.120.0110.00616.66
7.4.110.0080.01116.56
7.4.100.0060.01216.43
7.4.90.0110.00616.35
7.4.80.0150.00319.39
7.4.70.0060.01316.69
7.4.60.0130.00316.71
7.4.50.0000.00516.48
7.4.40.0040.01122.77
7.4.30.0150.00616.43
7.4.00.0030.01414.68
7.3.330.0000.00613.19
7.3.320.0000.00713.08
7.3.310.0000.00716.41
7.3.300.0000.00716.33
7.3.290.0110.00416.27
7.3.280.0080.00916.33
7.3.270.0110.00717.40
7.3.260.0120.00616.43
7.3.250.0150.00616.39
7.3.240.0090.00616.34
7.3.230.0100.00616.45
7.3.210.0130.00316.38
7.3.200.0160.00619.39
7.3.190.0140.00716.25
7.3.180.0060.00916.50
7.3.170.0080.00816.46
7.3.160.0090.00916.37
7.3.120.0100.00714.79
7.2.330.0190.00016.78
7.2.320.0030.01616.68
7.2.310.0070.01016.66
7.2.300.0070.01316.56
7.2.290.0030.01316.82
7.2.60.0070.00716.97
7.2.00.0050.00519.49
7.1.200.0190.00415.68
7.1.100.0040.00818.16
7.1.70.0000.00816.92
7.1.60.0140.01019.33
7.1.50.0200.01734.89
7.1.00.0070.07322.34
7.0.200.0050.00516.97
7.0.140.0000.07721.95
7.0.90.0130.05319.96
7.0.80.0100.08319.96
7.0.70.0070.06720.00
7.0.60.0070.08320.01
7.0.50.0100.07020.39
7.0.40.0030.04320.10
7.0.30.0070.08720.17
7.0.20.0100.07320.11
7.0.10.0100.07720.08
7.0.00.0030.04020.13
5.6.240.0030.07720.51
5.6.230.0100.07720.65
5.6.220.0230.06020.61
5.6.210.0100.08020.46
5.6.200.0070.07720.96
5.6.190.0030.04721.05
5.6.180.0100.07320.96
5.6.170.0100.08720.95
5.6.160.0000.04720.96
5.6.150.0100.03321.14
5.6.140.0000.04321.13
5.6.130.0070.04021.04
5.6.120.0000.04721.05
5.6.110.0000.04721.08
5.6.100.0100.03321.01
5.6.90.0000.04321.02
5.6.80.0130.05720.41
5.6.70.0070.07320.40
5.6.60.0030.04020.33
5.6.50.0070.03720.39
5.6.40.0030.04020.47
5.6.30.0100.05020.41
5.6.20.0000.04320.49
5.6.10.0070.03720.36
5.6.00.0070.04320.52
5.5.380.0100.07320.46
5.5.370.0030.09020.52
5.5.360.0100.04720.34
5.5.350.0100.08020.43
5.5.340.0100.07320.89
5.5.330.0070.05020.63
5.5.320.0100.04720.93
5.5.310.0070.08720.92
5.5.300.0070.05320.82
5.5.290.0030.04320.78
5.5.280.0070.04720.86
5.5.270.0000.04020.84
5.5.260.0000.04320.87
5.5.250.0030.06020.61
5.5.240.0070.05720.32
5.5.230.0070.07320.28
5.5.220.0070.03720.15
5.5.210.0070.04020.27
5.5.200.0100.03020.09
5.5.190.0030.04020.16
5.5.180.0030.03320.23
5.5.160.0130.03020.18
5.5.150.0070.05320.13
5.5.140.0030.04020.23
5.5.130.0000.04320.28
5.5.120.0070.03320.21
5.5.110.0070.06719.98
5.5.100.0070.03720.13
5.5.90.0030.03719.97
5.5.80.0070.03320.07
5.5.70.0070.03720.15
5.5.60.0000.04019.93
5.5.50.0070.03720.06
5.5.40.0030.08320.08
5.5.30.0070.04019.93
5.5.20.0000.08020.09
5.5.10.0100.07320.11
5.5.00.0070.07720.00
5.4.450.0000.04319.29
5.4.440.0000.04319.35
5.4.430.0030.04719.47
5.4.420.0030.05719.39
5.4.410.0070.05019.14
5.4.400.0030.03719.12
5.4.390.0030.03718.97
5.4.380.0000.05719.12
5.4.370.0030.03718.95
5.4.360.0000.04718.98
5.4.350.0000.04019.14
5.4.340.0070.03719.05
5.4.320.0130.02719.12
5.4.310.0000.04019.11
5.4.300.0070.03018.81
5.4.290.0070.03319.12
5.4.280.0070.04019.11
5.4.270.0030.03719.20
5.4.260.0000.07318.79
5.4.250.0000.04019.06
5.4.240.0030.04018.89
5.4.230.0070.03319.14
5.4.220.0000.04319.08
5.4.210.0000.04719.13
5.4.200.0030.05319.06
5.4.190.0000.04319.22
5.4.180.0100.03018.80
5.4.170.0070.07719.13
5.4.160.0100.07319.10
5.4.150.0070.07719.21
5.4.140.0030.08316.32
5.4.130.0070.06316.23
5.4.120.0070.06716.21
5.4.110.0100.05716.34
5.4.100.0100.05016.21
5.4.90.0130.06716.33
5.4.80.0130.07016.41
5.4.70.0130.07016.20
5.4.60.0130.06716.20
5.4.50.0130.04016.38
5.4.40.0070.06016.36
5.4.30.0030.04716.17
5.4.20.0100.06716.23
5.4.10.0030.05716.27
5.4.00.0070.03315.72
5.3.290.0030.03714.62
5.3.280.0030.03714.56
5.3.270.0070.07314.47
5.3.260.0070.07714.57
5.3.250.0070.08014.61
5.3.240.0170.06714.56
5.3.230.0030.08014.46
5.3.220.0030.07014.54
5.3.210.0070.06314.44
5.3.200.0130.06014.44
5.3.190.0030.07714.57
5.3.180.0100.06714.60
5.3.170.0100.06714.44
5.3.160.0030.07314.41
5.3.150.0030.08014.53
5.3.140.0030.05314.52
5.3.130.0070.06714.42
5.3.120.0070.07314.54
5.3.110.0000.07714.57
5.3.100.0030.08714.00
5.3.90.0100.07014.02
5.3.80.0000.05714.04
5.3.70.0000.07314.02
5.3.60.0100.07014.02
5.3.50.0030.07313.82
5.3.40.0100.03713.73
5.3.30.0000.05013.79
5.3.20.0070.07013.61
5.3.10.0030.06013.63
5.3.00.0070.07313.51
5.2.170.0000.04010.99
5.2.160.0030.04010.99
5.2.150.0030.06711.23
5.2.140.0070.05011.11
5.2.130.0070.04311.06
5.2.120.0100.04011.07
5.2.110.0000.04711.18
5.2.100.0070.04310.91
5.2.90.0030.05011.06
5.2.80.0200.04711.12
5.2.70.0170.04711.11
5.2.60.0030.05710.93
5.2.50.0200.04310.89
5.2.40.0000.05310.84
5.2.30.0100.06010.91
5.2.20.0070.06010.93
5.2.10.0100.05010.82
5.2.00.0030.06310.85
5.1.60.0030.05010.12
5.1.50.0130.04010.09
5.1.40.0100.04710.10
5.1.30.0070.06010.34
5.1.20.0030.04310.36
5.1.10.0030.0609.99
5.1.00.0100.04010.14
5.0.50.0030.0278.66
5.0.40.0000.0438.54
5.0.30.0070.0638.32
5.0.20.0000.0438.06
5.0.10.0000.0238.04
5.0.00.0030.0307.93
4.4.90.0000.0377.26
4.4.80.0000.0377.26
4.4.70.0000.0337.26
4.4.60.0070.0307.26
4.4.50.0030.0377.26
4.4.40.0070.0377.26
4.4.30.0100.0277.26
4.4.20.0030.0377.26
4.4.10.0070.0137.26
4.4.00.0000.0477.26
4.3.110.0000.0407.26
4.3.100.0030.0307.26
4.3.90.0000.0307.26
4.3.80.0000.0237.26
4.3.70.0070.0177.26
4.3.60.0030.0137.26
4.3.50.0030.0137.26
4.3.40.0000.0377.26
4.3.30.0000.0207.26
4.3.20.0000.0337.26
4.3.10.0000.0207.26
4.3.00.0000.0177.26

preferences:
32.73 ms | 401 KiB | 5 Q