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'),"'"));

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)
8.3.70.0110.00416.63
8.3.60.0070.00716.63
8.3.50.0130.00421.95
8.3.40.0110.00418.83
8.3.30.0040.01119.21
8.3.20.0070.00020.16
8.3.10.0000.01023.48
8.3.00.0060.00317.63
8.2.180.0170.00318.54
8.2.170.0120.00322.96
8.2.160.0060.00920.52
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0070.01026.16
8.2.120.0130.00322.16
8.2.110.0000.01022.20
8.2.100.0070.00718.03
8.2.90.0050.00319.08
8.2.80.0030.00517.97
8.2.70.0050.00317.75
8.2.60.0040.00418.02
8.2.50.0060.00318.07
8.2.40.0080.00018.16
8.2.30.0070.00018.12
8.2.20.0070.00017.82
8.2.10.0080.00018.13
8.2.00.0040.00417.70
8.1.280.0100.01025.92
8.1.270.0040.00423.77
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.76
8.1.230.0110.00019.23
8.1.220.0040.00417.79
8.1.210.0050.00318.77
8.1.200.0060.00317.34
8.1.190.0040.00417.42
8.1.180.0040.00418.10
8.1.170.0060.00318.66
8.1.160.0080.00022.03
8.1.150.0070.00018.65
8.1.140.0080.00017.34
8.1.130.0000.00717.89
8.1.120.0060.00317.45
8.1.110.0040.00417.45
8.1.100.0000.00717.51
8.1.90.0020.00517.48
8.1.80.0000.00717.56
8.1.70.0050.00217.40
8.1.60.0050.00517.57
8.1.50.0060.00317.43
8.1.40.0080.00017.58
8.1.30.0000.00817.61
8.1.20.0030.00517.61
8.1.10.0030.00517.59
8.1.00.0030.00517.50
8.0.300.0040.00418.77
8.0.290.0080.00017.16
8.0.280.0000.00718.37
8.0.270.0000.00717.32
8.0.260.0030.00317.24
8.0.250.0000.00717.08
8.0.240.0070.00317.07
8.0.230.0080.00216.96
8.0.220.0030.00316.86
8.0.210.0070.00016.97
8.0.200.0070.00016.96
8.0.190.0030.00517.08
8.0.180.0040.00417.03
8.0.170.0050.00316.98
8.0.160.0000.00716.92
8.0.150.0040.00416.92
8.0.140.0040.00416.93
8.0.130.0030.00313.49
8.0.120.0000.00816.96
8.0.110.0000.00816.94
8.0.100.0040.00417.03
8.0.90.0080.00017.04
8.0.80.0090.01416.89
8.0.70.0070.00016.87
8.0.60.0050.00216.92
8.0.50.0040.00416.81
8.0.30.0100.00817.37
8.0.20.0090.01117.40
8.0.10.0030.00517.14
8.0.00.0070.01016.89
7.4.330.0060.00015.20
7.4.320.0030.00616.54
7.4.300.0000.00616.61
7.4.290.0040.00416.63
7.4.280.0040.00416.51
7.4.270.0000.00716.63
7.4.260.0000.00716.48
7.4.250.0030.00316.48
7.4.240.0040.00316.59
7.4.230.0000.00716.67
7.4.220.0100.01016.48
7.4.210.0060.00916.59
7.4.200.0070.00016.59
7.4.190.0070.00016.78
7.4.160.0130.00716.63
7.4.150.0080.01117.40
7.4.140.0060.01217.86
7.4.130.0100.00816.67
7.4.120.0080.00816.65
7.4.110.0140.00616.71
7.4.100.0110.00716.49
7.4.90.0060.01016.45
7.4.80.0080.00919.39
7.4.70.0140.00516.46
7.4.60.0080.00816.62
7.4.50.0050.00316.53
7.4.40.0060.00922.77
7.4.30.0160.00316.50
7.4.00.0110.00714.83
7.3.330.0060.00013.27
7.3.320.0030.00313.28
7.3.310.0080.00016.32
7.3.300.0030.00316.34
7.3.290.0090.00616.44
7.3.280.0100.00716.41
7.3.270.0070.01417.40
7.3.260.0140.00316.41
7.3.250.0080.01016.49
7.3.240.0040.01216.46
7.3.230.0140.00316.39
7.3.210.0080.00816.49
7.3.200.0030.01719.39
7.3.190.0090.01216.53
7.3.180.0100.00616.40
7.3.170.0060.01016.32
7.3.160.0100.00616.29
7.3.120.0030.01414.81
7.3.110.0090.00614.71
7.3.100.0180.00014.68
7.3.90.0030.00914.68
7.3.80.0060.00814.82
7.3.70.0060.00914.81
7.3.60.0070.01114.55
7.3.50.0000.01314.88
7.3.40.0000.01514.92
7.3.30.0070.00714.88
7.3.20.0140.00416.66
7.3.10.0130.00616.85
7.3.00.0060.00616.72
7.2.330.0100.01016.64
7.2.320.0040.01516.77
7.2.310.0120.00616.62
7.2.300.0060.00916.59
7.2.290.0100.00716.65
7.2.240.0080.00814.69
7.2.230.0120.00315.04
7.2.220.0080.00615.18
7.2.210.0080.00814.88
7.2.200.0100.00715.07
7.2.190.0000.01414.88
7.2.180.0150.00315.01
7.2.170.0070.00715.07
7.2.160.0030.01615.24
7.2.150.0090.01016.86
7.2.140.0000.01516.75
7.2.130.0000.01316.96
7.2.120.0070.00716.95
7.2.110.0080.00516.84
7.2.100.0090.00616.90
7.2.90.0040.01117.02
7.2.80.0100.00316.55
7.2.70.0060.01016.87
7.2.60.0050.00816.90
7.2.50.0070.01116.91
7.2.40.0090.00316.96
7.2.30.0040.01116.85
7.2.20.0030.00616.73
7.2.10.0030.01316.65
7.2.00.0050.00918.06
7.1.330.0090.00915.75
7.1.320.0100.00316.02
7.1.310.0040.00815.63
7.1.300.0060.00315.80
7.1.290.0100.00315.99
7.1.280.0090.00615.58
7.1.270.0060.00615.86
7.1.260.0060.00915.58
7.1.250.0000.01715.82
7.1.200.0060.00615.94
7.1.100.0000.01118.28
7.1.70.0040.00417.07
7.1.60.0100.01319.33
7.1.50.0030.00816.86
7.1.00.0000.08022.36
7.0.200.0170.00315.05
7.0.140.0100.06722.04
7.0.90.0570.06319.95
7.0.80.0600.07719.95
7.0.70.0530.04719.93
7.0.60.0300.06320.05
7.0.50.0970.06320.35
7.0.40.0070.08320.15
7.0.30.0070.07719.96
7.0.20.0100.08720.11
7.0.10.0070.04720.02
7.0.00.0070.08320.07
5.6.280.0000.07720.91
5.6.240.0100.08320.60
5.6.230.0100.07020.59
5.6.220.0070.05320.49
5.6.210.0070.05320.57
5.6.200.0170.08020.94
5.6.190.0070.04320.94
5.6.180.0030.08721.09
5.6.170.0100.04721.11
5.6.160.0030.09021.01
5.6.150.0070.07021.09
5.6.140.0130.08021.06
5.6.130.0070.08020.94
5.6.120.0070.05320.96
5.6.110.0100.08021.09
5.6.100.0070.09021.05
5.6.90.0070.05321.15
5.6.80.0130.08020.49
5.6.70.0000.08720.40
5.6.60.0070.04020.50
5.6.50.0030.06020.41
5.6.40.0130.04720.41
5.6.30.0030.04320.28
5.6.20.0100.07720.38
5.6.10.0070.04020.38
5.6.00.0100.07020.45
5.5.380.0070.08320.43
5.5.370.0070.05720.42
5.5.360.0100.06320.34
5.5.350.0100.08020.42
5.5.340.0100.07020.91
5.5.330.0000.05020.91
5.5.320.0070.07720.66
5.5.310.0000.04720.78
5.5.300.0270.06020.88
5.5.290.0070.07720.93
5.5.280.0100.07720.87
5.5.270.0030.06320.88
5.5.260.0100.05020.85
5.5.250.0070.08020.72
5.5.240.0130.05320.12
5.5.230.0070.04320.15
5.5.220.0070.04320.30
5.5.210.0030.05720.16
5.5.200.0000.07020.09
5.5.190.0030.06720.27
5.5.180.0030.04320.09
5.5.160.0100.07720.23
5.5.150.0100.06720.21
5.5.140.0030.05320.21
5.5.130.0030.08020.26
5.5.120.0070.05020.08
5.5.110.0000.04720.12
5.5.100.0070.08020.11
5.5.90.0000.04320.04
5.5.80.0070.04320.16
5.5.70.0000.04720.11
5.5.60.0070.03720.00
5.5.50.0100.06720.06
5.5.40.0130.04720.08
5.5.30.0000.04320.05
5.5.20.0100.04320.09
5.5.10.0070.07320.01
5.5.00.0130.07319.96
5.4.450.0030.04719.36
5.4.440.0100.06719.47
5.4.430.0130.03719.42
5.4.420.0130.05719.28
5.4.410.0030.04318.98
5.4.400.0070.03718.81
5.4.390.0100.07718.89
5.4.380.0070.08019.13
5.4.370.0070.04719.10
5.4.360.0030.04319.06
5.4.350.0000.04719.03
5.4.340.0100.07719.03
5.4.320.0030.07019.05
5.4.310.0070.07018.98
5.4.300.0100.07018.80
5.4.290.0100.07319.11
5.4.280.0030.05319.03
5.4.270.0070.04019.13
5.4.260.0230.06019.07
5.4.250.0000.04319.05
5.4.240.0000.05019.12
5.4.230.0100.07019.22
5.4.220.0070.04318.80
5.4.210.0100.03719.22
5.4.200.0130.06718.95
5.4.190.0070.04019.06
5.4.180.0100.04019.11
5.4.170.0070.07018.80
5.4.160.0000.06018.78
5.4.150.0030.05319.12
5.4.140.0070.03716.36
5.4.130.0100.07316.27
5.4.120.0070.03316.30
5.4.110.0100.07316.22
5.4.100.0030.07016.20
5.4.90.0030.07716.21
5.4.80.0100.05716.35
5.4.70.0130.06716.20
5.4.60.0130.06316.38
5.4.50.0130.03016.42
5.4.40.0000.04316.34
5.4.30.0030.04316.27
5.4.20.0170.05316.28
5.4.10.0030.06016.20
5.4.00.0030.04715.68
5.3.290.0170.05014.54
5.3.280.0070.07014.55
5.3.270.0030.05014.57
5.3.260.0100.07714.53
5.3.250.0070.07714.58
5.3.240.0030.03714.55
5.3.230.0100.03714.61
5.3.220.0070.07314.45
5.3.210.0070.06314.52
5.3.200.0130.06714.45
5.3.190.0070.06714.42
5.3.180.0070.07714.49
5.3.170.0030.04314.52
5.3.160.0070.07714.41
5.3.150.0030.06314.41
5.3.140.0030.04314.49
5.3.130.0100.07014.52
5.3.120.0100.07014.57
5.3.110.0100.07314.54
5.3.100.0100.06014.04
5.3.90.0000.05313.94
5.3.80.0200.04014.02
5.3.70.0100.07013.89
5.3.60.0030.07313.99
5.3.50.0030.07713.93
5.3.40.0170.05313.91
5.3.30.0030.04013.87
5.3.20.0100.02713.49
5.3.10.0030.03013.66
5.3.00.0000.03713.66
5.2.170.0000.05710.98
5.2.160.0070.02711.20
5.2.150.0030.04010.98
5.2.140.0030.04011.12
5.2.130.0030.02711.11
5.2.120.0000.05011.10
5.2.110.0030.03311.07
5.2.100.0030.03311.18
5.2.90.0000.02711.04
5.2.80.0030.02711.14
5.2.70.0030.02310.95
5.2.60.0030.02711.05
5.2.50.0030.02710.90
5.2.40.0000.03010.99
5.2.30.0030.02711.02
5.2.20.0070.02310.96
5.2.10.0030.02710.93
5.2.00.0000.03010.86
5.1.60.0030.03310.08
5.1.50.0130.04310.10
5.1.40.0000.02710.11
5.1.30.0030.02310.32
5.1.20.0070.04010.48
5.1.10.0030.0239.99
5.1.00.0000.02710.03
5.0.50.0030.0178.65
5.0.40.0030.0178.57
5.0.30.0000.0278.35
5.0.20.0030.0138.11
5.0.10.0030.0178.09
5.0.00.0000.0377.96
4.4.90.0000.0177.44
4.4.80.0000.0177.44
4.4.70.0000.0177.44
4.4.60.0000.0177.44
4.4.50.0000.0137.44
4.4.40.0000.0277.44
4.4.30.0030.0307.44
4.4.20.0000.0177.44
4.4.10.0000.0177.44
4.4.00.0000.0337.44
4.3.110.0000.0137.44
4.3.100.0030.0177.44
4.3.90.0000.0137.44
4.3.80.0030.0237.44
4.3.70.0030.0337.44
4.3.60.0000.0177.44
4.3.50.0000.0177.44
4.3.40.0000.0277.44
4.3.30.0000.0137.44
4.3.20.0000.0137.44
4.3.10.0000.0137.44
4.3.00.0000.0177.44

preferences:
47.31 ms | 401 KiB | 5 Q