Forums / Discussions / Support of namespace

Thursday 18 August 2011 7:28:54 am

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Description

eZ 4.4 has to be used with PHP 5.2 at least. With the major version 5.3, namespaces became available in PHP. Unfortunatly we can't use them in eZ Publish.

Whether eZ Core classes use namespaces or not, developpers can't also use them whereas there isn't much to do to make namespaces available.

We only need to add few lines in the file 'kernel/private/classes/ezautoloadgenerator.php'. Using the php function token_get_all provides an array with parsed elements of the file.

For a namespace, PHP use the constant T_NAMESPACE. To ensure that our code is compatible in PHP 5.2, we need to define the constant in that version. To do such thing, we only need to add line 436 the following code :

$this->setStatArray( self::OUTPUT_PROGRESS_PHASE2, $statArray );

$this->startProgressOutput( self::OUTPUT_PROGRESS_PHASE2 );

+ $aPhpVersion = explode('.', phpversion());

+ if ($aPhpVersion[1] < 3)

+ {

+ !defined('T_NAMESPACE') && define('T_NAMESPACE', 377);

+ }

foreach( $fileList as $file )

For each file we set a namespace variable to an empty string :

+ $sNameSpace = '';

$tokens = @token_get_all( file_get_contents( $file ) );

Then we get the namespace in the switch

switch( $token[0] )

{

+ case T_NAMESPACE:

+ $sNameSpace = '';

+ for ($i = $key+2; $i < count($tokens)-1; $i++)

+ {

+ if (is_array($tokens[$i]) && T_STRING == $tokens[$i][0])

+ {

+ $sNameSpace .= $tokens[$i][1].'\\';

+ }

+ else if (!is_array($tokens[$i]) && in_array($tokens[$i], array(';', '{')))

+ {

+ break;

+ }

+ }

+ break;

And finally we add the namespace before the class name, the autoload function will automaticly load the class

- $className = $tokens[$key+2][1];

+ $className = $sNameSpace.$tokens[$key+2][1];

What do you think about it ?

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eZ debug

Timing: Jan 29 2025 13:38:15
Script start
Timing: Jan 29 2025 13:38:15
Module start 'content'
Timing: Jan 29 2025 13:38:15
Module end 'content'
Timing: Jan 29 2025 13:38:16
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Peak memory usage2,048.0000 KB
Database Queries141

Timing points:

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Module start 'content' 0.00560.0062 768.757898.1328
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Check MTime0.00130.8016200.0001
Mysql Total
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Mysqli_queries0.088356.55931410.0006
Looping result0.00120.74291390.0000
Template Total0.143792.110.1437
Template load0.00100.621610.0010
Template processing0.142891.492410.1428
Override
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Sytem overhead
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Time used to render debug report: 0.0001 secs