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PHP string ltrim() function

PHP string ltrim() function is predefined function. It is often used to remove whitespace from both sides of a string or other character from the left side of a string.

Syntax:

ltrim(string,charlist); Parameter Description Required/Optional String Specify the string to check. Required charlist Specify character to remove from the string.

"\0" : NULL

"\t" : tab

"\n" : new line

"\x0B" : vertical tab

"\r" : carriage return

" " : ordinary white space

Optional

Example 1

$str = " Hello PHP!"; echo "Without ltrim() Function: " . $str; echo "<br>"; echo "With ltrim() function : " . ltrim($str);

Output:

Without ltrim() Function: Hello PHP! With ltrim() function : Hello PHP!

Example 2

$str = "Hello PHP Javatpoint!"; echo "Without ltrim() Function: " . $str; echo "<br>"; echo "With ltrim() function: " . ltrim($str);

Output:

Without ltrim() Function: Hello PHP Javatpoint! With ltrim() function: Hello PHP Javatpoint!

Example 3

$str = "\n\n\nHello PHP!"; echo "Without ltrim() funcion: " . $str; echo "<br>"; echo "With ltrim() function: " . ltrim($str);

Output:

Without ltrim(): Hello World! With ltrim: Hello World!

Note: To remove newlines from the left side of a string then we can use (\n):

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