Php Function Arguments

It would be faster to enclose the string in single quotes instead of double quotes. Because PHP searches for variables in double-quoted strings, single quotes do not. Note that only echo can do this: it's a "function" that takes multiple strings as arguments, Echo is a language structure, not a real function, so the function with double quotes). 1, if you can define the class method as static, as far as the definition of static, it will speed up nearly 4 times. 2, $ row ['id'] speed ...

It is quicker to use single quotes instead of double quotes to contain strings. Because PHP searches for variables in a string enclosed in double quotes, single quotes are not, note: only echo can do this, it is a "function" that can take multiple strings as arguments: ECHO is the language structure, not the real function, so the function is added double quotes. 1, if you can define the method of the class as static, as far as possible to define static, it will increase the speed of nearly 4 times times. 2, $row [' ID '] speed is $ro ...

mt_rand () Returns a random integer using the mersenne twister algorithm. Syntax mt_rand (min, max) Description mt_rand () returns a pseudo-random number from 0 to rand_max if the optional parameters min and max are not provided. For example, want a random number between 5 and 15 (including 5 and 15), using mt_rand (5, 15). * / echo mt_rand (); & nb ...

/ php tutorial ini_set change php.ini configuration capabilities Ini_set can be used to quickly modify php.ini configuration settings Oh, you do not need to open php.ini, especially when you do not have to modify php.ini virtual host permissions will find this The function of function, let's look at a few examples below. * / // ini_set has the ability to change the php.ini settings. This function takes two arguments: the name of the configuration variable that needs to be adjusted, and the new value of the variable. // For example, when a script appears to increase the maximum ...

The date / time function allows you to extract and format the date and time on the server The mktime () function returns a unix time stamp of the date. The parameter always represents the gmt date, so is_dst has no effect on the result. Arguments can be left blank from right to left, and empty parameters set to the corresponding current gmt value. Syntax mktime (hour, minute, second, month, day, y ...

mktime = mktime ($ hours, minute, seconds, month, day, years) $ start_time = mktime (0,0,0,01,09,2010); // start time $ end_time & n ...

STRTR (PHP3, PHP4) strtr---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Converts some character syntax: string strtr (String str, string from, string to) Description: This function operates on parameter str, and the arguments from all occurrences of ...

Imap_alerts all warning messages. Syntax: array imap_alerts (void); Return value: Array function type: http://www.aliyun.com/zixun/aggregation/32416.html > Network system Content Description This function is used to display all the IMAP warning strings that appear. This function does not need to use any arguments. The full name of IMAP is Internet ...

Wddx_serialize_vars (PHP3 >= 3.0.7, PHP4 >= 4.0b2) wddx_serialize_vars---&http://www.aliyun.com/zixun/ Aggregation/37954.html ">nbsp; Serial variable becomes a WDDX envelope syntax: string Wddx_serialize_var ...

SSCANF (PHP4 >= 4.0.1) sscanf---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Parse string syntax by format: Mixed sscanf (String str, string format [, String var1 ...]) Description: sscanf () loss ...