Brother even share PHP master dry: Can't not look at the 50 details 1, using single quotes instead of double quotation marks to contain the string, this will be faster. Because PHP will search for variables in a string surrounded by double quotes, single quotes will not, note: only echo can do this, it is a string can be used as a parameter of the "function" (in the PHP manual that echo is a language structure, not a real function, so the function with double quotation marks). 2, if the method of the class can be defined as static, as far as possible to define as static, it will increase the speed of nearly 4 times times. 3. The speed of $row [' ID '] is 7 times times that of $row[id]. 4. Echo is faster than print, and uses Echo's multiple parameters (referring to commas instead of periods) instead of string connections, such as Echo $str 1, $str 2. 5. To determine the maximum number of cycles before executing a for loop, do not calculate the maximum value once per cycle, preferably using foreach instead. 6, write off those not
1. PHP Master Dry sharing: Can not look at the 50 details! "PHP Training Tutorial"
Introduction: Brother Even share PHP master dry: Can't not look at the 50 details 1, using single quotation marks instead of double quotation marks to contain the string, this will be faster. Because PHP searches for a variable in a string surrounded by double quotes, ...
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Introduction: PHP has a very rich built-in functions, many of which we have used, but there are still many of the functions of most of us are unfamiliar, but they are very useful.
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