oracle - php compare two strings and create one based on part of the string -

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i have 2 php strings comes oracle:

array (size=4)  0 => string '30 jan 2014| 09:00-10:00 | workshop' (length=61)  1 => string '30 jan 2014| 10:00-11:00 | workshop' (length=61)  2 => string '06 feb 2014| 09:00-10:00 | workshop' (length=61)  3 => string '06 feb 2014| 10:00-11:00 | workshop' (length=61)

..and i'm looking way this:

array (size=4)  0 => string '30 jan 2014 | 09:00-11:00 | workshop' (length=61)  1 => string '06 jan 2014 | 09:00-11:00 | workshop' (length=61)

basically combine 2 same-date records 1 combined time... need while getting record in

foreach($result $row){}

loop.. advice appreciated. thanks

basically need keep track of previous date in variable , can compare on next loop iteration. after doing comparison update contains current value. next iteration can same comparison , variable assignment.

basic idea:

$current_date = ''; foreach($result $row){     // date here     $date = 'get date string here';      // check     if ($current_date === $date) {         //     }       // save date next iteration     $current_date = $date; }

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