string manipulation substr and trim

[problem]

Substituting and trimming string variables in PHP.

[/problem]

[solution]

Similar to Perl, PHP has an extensive library of functions.

See the example tab for a few simple examples, showing the basic syntax.

[/solution]

[example]

substr

$ php -q<<EOT
<?php

echo(substr("Hello World",0,4)."n");

?>
EOT


Hell

trim

 $ php -q<<EOT
 <?php
 
echo(trim("    Hello World    ")."n");
 
?>
 EOT
 
 
Hello World
 
[/example]
 
[reference]
 
[tags]PHP substr, PHP trim, PHP Coding School[/tags]
 
 
PHP Docs substr Function
 
PHP Docs trim Function
 
 
[/reference]
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