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Apéndice B. Migrating from PHP 3 to PHP 4
Tabla de contenidos
What has changed in PHP 4
Running PHP 3 and PHP 4 concurrently
Migrating Configuration Files
Parser behavior
Error reporting
Initializers
empty("0")
Missing functions
PHP 3 extension
Variable substitution in strings
Cookies
Handling of global variables
What has changed in PHP 4
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