3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name="why";//声明变量$name,并初始化 function echoName1() { //在函数echoName1()里使用global来声明$name global $name; echo "the first name is ".$name."<br>"; } function echoName2() { //在函数echoName2()里没有使用global来声明$name echo "the second name is ".$name."<br>"; } echoName1(); echoName2(); $last_name = "O'Keefe"; echo $sql = "select * from users where last_name = '" . addslashes($last_name) . "'"; class Person { //下面是人的成员属性 var $name; //人的名子 var $sex; //人的性别 var $age; //人的年龄 //定义一个构造方法参数为属性姓名$name、性别$sex和年龄$age进行赋值 function __construct($name = "", $sex = "", $age = "") { $this->name = $name; $this->sex = $sex; $this->age = $age; } //这个人可以说话的方法, 说出自己的属性 function say() { echo "我的名子叫:" . $this->name . " 性别:" . $this->sex . " 我的年龄是:" . $this->age . "<br>"; } } $p1 = new Person("张三", "男", 20); $p1_string = serialize($p1); //把一个对象串行化,返一个字符串 echo $p1_string . "<br>"; //串行化的字符串我们通常不去解析 $area_json_array=array(1,2); echo json_encode($area_json_array, TRUE);

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)
8.3.70.0120.00616.88
8.3.60.0140.00718.35
8.3.50.0130.00722.06
8.3.40.0060.00918.84
8.3.30.0040.01119.04
8.3.20.0040.00420.07
8.3.10.0000.00722.11
8.3.00.0080.00022.37
8.2.190.0070.01116.63
8.2.180.0120.00318.66
8.2.170.0170.00322.96
8.2.160.0140.00320.95
8.2.150.0040.00424.18
8.2.140.0120.00324.66
8.2.130.0080.00026.16
8.2.120.0000.00819.36
8.2.110.0030.00722.11
8.2.100.0080.00417.91
8.2.90.0070.00019.26
8.2.80.0000.00817.97
8.2.70.0030.00617.75
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0000.00717.92
8.2.30.0040.00418.08
8.2.20.0040.00417.78
8.2.10.0080.00017.88
8.2.00.0000.00817.87
8.1.280.0040.01425.92
8.1.270.0040.00423.76
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.67
8.1.230.0040.00719.07
8.1.220.0030.00617.74
8.1.210.0090.00018.77
8.1.200.0030.00617.23
8.1.190.0040.00417.54
8.1.180.0000.00818.10
8.1.170.0000.00818.50
8.1.160.0040.00422.03
8.1.150.0040.00418.53
8.1.140.0000.00717.41
8.1.130.0030.00317.80
8.1.120.0040.00417.52
8.1.110.0040.00417.41
8.1.100.0070.00017.49
8.1.90.0000.00717.36
8.1.80.0000.00717.39
8.1.70.0000.00717.35
8.1.60.0040.00417.51
8.1.50.0000.00917.53
8.1.40.0050.00317.51
8.1.30.0030.00617.63
8.1.20.0040.00417.73
8.1.10.0000.00717.58
8.1.00.0000.00817.53
8.0.300.0040.00418.77
8.0.290.0050.00317.28
8.0.280.0050.00218.34
8.0.270.0000.00917.30
8.0.260.0060.00018.45
8.0.250.0030.00317.06
8.0.240.0000.00717.04
8.0.230.0000.00717.03
8.0.220.0000.00716.98
8.0.210.0030.00316.86
8.0.200.0000.00617.03
8.0.190.0030.00617.01
8.0.180.0000.00716.96
8.0.170.0080.00017.02
8.0.160.0040.00417.00
8.0.150.0090.00016.82
8.0.140.0040.00416.85
8.0.130.0000.00613.40
8.0.120.0050.00216.87
8.0.110.0040.00416.88
8.0.100.0030.00516.84
8.0.90.0040.00416.85
8.0.80.0090.00917.03
8.0.70.0000.00716.96
8.0.60.0040.00417.06
8.0.50.0000.00816.81
8.0.30.0130.01017.15
8.0.20.0180.00317.40
8.0.10.0040.00416.93
8.0.00.0060.01116.76
7.4.330.0050.00015.00
7.4.320.0060.00016.56
7.4.300.0000.00616.42
7.4.290.0000.00716.46
7.4.280.0000.00816.61
7.4.270.0030.00316.54
7.4.260.0000.00716.61
7.4.250.0040.00416.43
7.4.240.0020.00516.63
7.4.230.0030.00316.52
7.4.220.0090.01616.54
7.4.210.0030.01216.71
7.4.200.0040.00416.64
7.4.190.0040.00416.61
7.4.160.0030.01316.40
7.4.150.0110.00717.40
7.4.140.0110.00817.86
7.4.130.0140.00516.64
7.4.120.0090.00816.47
7.4.110.0120.00616.62
7.4.100.0060.01216.59
7.4.90.0170.00016.31
7.4.80.0180.00319.39
7.4.70.0110.00616.43
7.4.60.0130.00616.68
7.4.50.0030.00316.64
7.4.40.0030.01222.77
7.4.30.0130.00316.39
7.4.00.0100.00714.92
7.3.330.0000.00513.39
7.3.320.0030.00313.38
7.3.310.0020.00516.48
7.3.300.0040.00416.25
7.3.290.0120.00816.35
7.3.280.0070.00916.36
7.3.270.0090.00917.40
7.3.260.0130.00316.36
7.3.250.0090.01216.47
7.3.240.0060.01016.35
7.3.230.0110.00516.47
7.3.210.0140.00716.64
7.3.200.0100.01219.39
7.3.190.0100.01216.39
7.3.180.0080.00816.45
7.3.170.0030.01716.47
7.3.160.0070.01416.58
7.3.120.0000.01614.66
7.3.110.0040.01114.92
7.3.100.0070.00715.00
7.3.90.0030.01014.76
7.3.80.0000.01614.82
7.3.70.0000.01014.84
7.3.60.0170.00014.69
7.3.50.0070.00714.84
7.3.40.0040.00814.41
7.3.30.0070.00714.69
7.3.20.0070.00716.55
7.3.10.0100.00316.66
7.3.00.0030.01016.51
7.2.330.0110.00616.70
7.2.320.0170.01116.76
7.2.310.0090.00916.79
7.2.300.0160.00016.72
7.2.290.0030.01316.44
7.2.240.0070.01015.29
7.2.230.0040.00714.73
7.2.220.0060.00915.34
7.2.210.0070.00314.90
7.2.200.0080.00815.11
7.2.190.0070.01015.02
7.2.180.0030.00715.04
7.2.170.0030.01014.96
7.2.160.0070.00714.78
7.2.150.0100.00716.91
7.2.140.0100.00616.83
7.2.130.0120.00316.93
7.2.120.0030.01016.91
7.2.110.0100.00716.66
7.2.100.0100.00316.80
7.2.90.0030.00916.66
7.2.80.0090.00616.84
7.2.70.0140.00316.89
7.2.60.0120.00216.93
7.2.50.0070.00816.65
7.2.40.0140.00017.02
7.2.30.0090.00616.77
7.2.20.0060.01117.09
7.2.10.0040.01116.93
7.2.00.0100.01016.81
7.1.330.0000.01515.54
7.1.320.0060.00915.52
7.1.310.0030.01015.89
7.1.300.0030.01115.70
7.1.290.0030.00915.87
7.1.280.0070.00315.54
7.1.270.0000.01115.48
7.1.260.0080.00815.76
7.1.250.0070.00315.68
7.1.200.0060.00615.66
7.1.100.0030.00918.03
7.1.70.0050.00316.90
7.1.60.0120.01219.82
7.1.50.0040.00716.98
7.1.00.0070.07322.54
7.0.200.0100.00716.74
7.0.140.0070.07022.00
7.0.90.0100.04719.95
7.0.80.0000.04720.12
7.0.70.0000.04019.86
7.0.60.0070.03319.95
7.0.50.0400.06320.36
7.0.40.0130.03320.09
7.0.30.0100.03320.00
7.0.20.0030.04320.14
7.0.10.0030.04020.04
7.0.00.0100.05320.02
5.6.280.0000.07720.77
5.6.240.0000.06020.67
5.6.230.0100.03720.53
5.6.220.0030.04020.64
5.6.210.0100.03720.55
5.6.200.0070.03721.08
5.6.190.0030.04021.03
5.6.180.0030.08021.03
5.6.170.0030.04321.07
5.6.160.0030.05021.12
5.6.150.0030.04321.03
5.6.140.0070.03721.14
5.6.130.0030.04321.14
5.6.120.0030.05020.94
5.6.110.0030.04320.99
5.6.100.0030.04021.02
5.6.90.0100.03721.07
5.6.80.0100.03320.50
5.6.70.0000.04320.43
5.6.60.0030.04320.44
5.6.50.0070.07320.50
5.6.40.0070.08020.48
5.6.30.0100.04020.54
5.6.20.0130.08020.53
5.6.10.0000.08020.38
5.6.00.0130.07020.46
5.5.380.0070.08020.31
5.5.370.0070.04320.36
5.5.360.0000.05020.41
5.5.350.0000.04320.42
5.5.340.0070.06320.88
5.5.330.0000.04320.93
5.5.320.0070.04020.88
5.5.310.0100.03020.93
5.5.300.0070.03720.95
5.5.290.0100.06720.90
5.5.280.0170.02720.91
5.5.270.0030.04320.88
5.5.260.0070.03720.61
5.5.250.0070.04020.46
5.5.240.0070.03720.15
5.5.230.0030.03720.03
5.5.220.0030.04020.31
5.5.210.0070.03720.25
5.5.200.0070.07320.20
5.5.190.0100.07320.15
5.5.180.0000.08720.17
5.5.160.0070.07720.25
5.5.150.0100.07320.18
5.5.140.0130.06720.18
5.5.130.0070.07020.24
5.5.120.0070.04720.00
5.5.110.0070.05720.27
5.5.100.0030.05020.19
5.5.90.0100.08019.96
5.5.80.0070.03720.16
5.5.70.0000.04320.07
5.5.60.0100.08020.16
5.5.50.0070.05320.18
5.5.40.0130.07320.10
5.5.30.0030.08019.95
5.5.20.0030.08720.13
5.5.10.0070.08320.05
5.5.00.0270.06720.09
5.4.450.0030.04019.38
5.4.440.0000.04019.22
5.4.430.0070.03719.45
5.4.420.0030.03319.44
5.4.410.0030.03719.24
5.4.400.0000.04018.91
5.4.390.0070.03318.85
5.4.380.0030.03718.87
5.4.370.0030.03318.85
5.4.360.0030.08019.04
5.4.350.0300.05319.04
5.4.340.0030.07719.03
5.4.320.0100.04018.93
5.4.310.0100.05718.92
5.4.300.0030.07019.20
5.4.290.0200.06319.13
5.4.280.0200.07019.13
5.4.270.0130.04019.12
5.4.260.0100.03719.12
5.4.250.0030.04318.84
5.4.240.0230.02719.09
5.4.230.0100.06018.90
5.4.220.0070.03719.17
5.4.210.0000.08019.09
5.4.200.0030.05019.02
5.4.190.0130.06719.11
5.4.180.0070.05718.93
5.4.170.0000.05019.16
5.4.160.0030.07718.84
5.4.150.0100.04719.19
5.4.140.0170.06016.44
5.4.130.0130.04316.41
5.4.120.0070.08016.34
5.4.110.0070.06016.48
5.4.100.0100.07316.52
5.4.90.0130.07016.46
5.4.80.0000.07316.51
5.4.70.0170.03716.57
5.4.60.0000.08016.41
5.4.50.0100.07016.40
5.4.40.0070.07316.50
5.4.30.0030.04716.40
5.4.20.0030.06716.47
5.4.10.0000.06016.39
5.4.00.0100.05315.84
5.3.290.0030.04014.79
5.3.280.0130.03714.53
5.3.270.0030.08014.54
5.3.260.0030.07014.64
5.3.250.0030.08014.62
5.3.240.0070.06714.62
5.3.230.0030.06014.53
5.3.220.0070.04314.70
5.3.210.0070.04714.70
5.3.200.0070.07314.68
5.3.190.0170.06014.55
5.3.180.0070.07314.54
5.3.170.0030.05314.55
5.3.160.0070.07014.66
5.3.150.0030.06714.55
5.3.140.0000.04314.59
5.3.130.0130.04014.58
5.3.120.0070.04714.52
5.3.110.0170.07714.55
5.3.100.0000.04714.09
5.3.90.0070.04313.95
5.3.80.0100.07714.05
5.3.70.0030.08014.16
5.3.60.0000.04714.07
5.3.50.0000.05014.02
5.3.40.0100.06713.87
5.3.30.0030.07713.98
5.3.20.0130.04313.80
5.3.10.0100.07013.72
5.3.00.0100.03313.77
5.2.170.0030.04311.17
5.2.160.0000.06711.21
5.2.150.0070.03711.06
5.2.140.0030.04711.07
5.2.130.0030.03711.17
5.2.120.0100.05711.01
5.2.110.0070.04311.03
5.2.100.0030.04711.21
5.2.90.0030.03711.06
5.2.80.0100.03711.24
5.2.70.0030.03711.09
5.2.60.0100.05311.12
5.2.50.0030.06311.12
5.2.40.0030.06311.07
5.2.30.0070.04310.84
5.2.20.0000.05711.11
5.2.10.0070.05710.89
5.2.00.0070.03710.84
5.1.60.0030.04710.59
5.1.50.0100.04010.59
5.1.40.0070.05010.59
5.1.30.0030.04310.59
5.1.20.0070.05310.59
5.1.10.0070.04010.59
5.1.00.0130.04710.59
5.0.50.0100.03310.59
5.0.40.0070.04010.59
5.0.30.0070.04710.59
5.0.20.0000.02310.59
5.0.10.0000.02010.59
5.0.00.0170.03310.59
4.4.90.0030.02010.59
4.4.80.0000.03010.59
4.4.70.0000.03710.59
4.4.60.0000.02010.59
4.4.50.0030.02010.59
4.4.40.0100.03310.59
4.4.30.0000.02010.59
4.4.20.0070.03310.59
4.4.10.0070.02710.59
4.4.00.0070.04710.59
4.3.110.0030.03010.59
4.3.100.0000.02310.59
4.3.90.0000.03710.59
4.3.80.0000.05310.59
4.3.70.0000.03710.59
4.3.60.0070.02310.59
4.3.50.0000.03010.59
4.3.40.0030.05010.59
4.3.30.0000.03010.59
4.3.20.0030.02710.59
4.3.10.0000.03710.59
4.3.00.0000.03710.59

preferences:
73.89 ms | 401 KiB | 5 Q