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#* [[PHP Arrays|Getting Information About PHP Arrays & other Array Functions]]
#* [[PHP Arrays|Summary]]
# [[Working with Strings and Text in PHP]]
#* [[Working with Strings and Text in PHP|Changing the Case of a PHP String]]
#* [[Working with Strings and Text in PHP|Converting to and from ASCII Values]]
#* [[Working with Strings and Text in PHP|Printing Formatted Strings in PHP]]
#* [[Working with Strings and Text in PHP|PHP printf formatting specifiers]]
#* [[Working with Strings and Text in PHP|Finding the Length of a PHP String]]
#* [[Working with Strings and Text in PHP|Converting a String into a PHP Array]]
#* [[Working with Strings and Text in PHP|Removing Leading and Trailing Whitespace from a PHP String]]
#* [[Working with Strings and Text in PHP|Comparing Strings in PHP]]
#* [[Working with Strings and Text in PHP|String Comparison Functions Return Value]]
#* [[Working with Strings and Text in PHP|Accessing and Modifiying Characters in String]]
#* [[Working with Strings and Text in PHP|Searching for Characters and Substrings in a PHP String]]
#* [[Working with Strings and Text in PHP|Extracting and Replacing Substrings in PHP]]
#* [[Working with Strings and Text in PHP|Replacing All Instances of a Word in a PHP String]]
* [[PHP, Filesystems and File I/O]]
* [[Working with Directories in PHP]]
