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Check for division by zero

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Brian Miyaji
2014-06-24 00:08:33 +10:00
parent e1e47b0db1
commit a9714db2c5
1 changed files with 15 additions and 15 deletions
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28
includes/sp-core-functions.php
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@@ -958,6 +958,13 @@ if ( !function_exists( 'sp_solve' ) ) {
if ( sp_array_value( $vars, 'eventsplayed', 0 ) <= 0 ) if ( sp_array_value( $vars, 'eventsplayed', 0 ) <= 0 )
return '-'; return '-';
// Equation Operating System
if ( ! class_exists( 'phpStack' ) )
include_once( SP()->plugin_path() . '/includes/libraries/class-phpstack.php' );
if ( ! class_exists( 'eqEOS' ) )
include_once( SP()->plugin_path() . '/includes/libraries/class-eqeos.php' );
$eos = new eqEOS();
// Clearance to begin calculating remains true if all equation variables are in vars // Clearance to begin calculating remains true if all equation variables are in vars
$clearance = true; $clearance = true;
@@ -966,24 +973,17 @@ if ( !function_exists( 'sp_solve' ) ) {
foreach( $parts as $key => $value ): foreach( $parts as $key => $value ):
if ( substr( $value, 0, 1 ) == '$' ): if ( substr( $value, 0, 1 ) == '$' ):
if ( ! array_key_exists( preg_replace( "/[^a-z]/", '', $value ), $vars ) ) if ( ! array_key_exists( preg_replace( "/[^a-z]/", '', $value ), $vars ) )
$clearance = false; return 0;
endif;
$pos = strpos( $equation, '/' );
if ( $pos ):
if ( $eos->solveIF( substr( $equation, $pos + 2 ), $vars ) == 0 )
return 0;
endif; endif;
endforeach; endforeach;
if ( $clearance ):
// Equation Operating System
if ( ! class_exists( 'phpStack' ) )
include_once( SP()->plugin_path() . '/includes/libraries/class-phpstack.php' );
if ( ! class_exists( 'eqEOS' ) )
include_once( SP()->plugin_path() . '/includes/libraries/class-eqeos.php' );
$eos = new eqEOS();
// Solve using EOS;
return number_format( $eos->solveIF( str_replace( ' ', '', $equation ), $vars ), $precision ); return number_format( $eos->solveIF( str_replace( ' ', '', $equation ), $vars ), $precision );
else:
return 0;
endif;
} }
} }