How can the use of strstr() and foreach() functions in PHP help in efficiently comparing and merging data from two tables?

When comparing and merging data from two tables in PHP, the strstr() function can be used to efficiently search for a specific string within a larger string. The foreach() function can then be used to iterate over the data in each table and compare the relevant fields. By using these functions in combination, you can streamline the process of comparing and merging data from two tables in PHP. 

// Assuming $table1 and $table2 are arrays containing data from two tables

foreach ($table1 as $row1) {
    foreach ($table2 as $row2) {
        if (strstr($row1['field'], $row2['field'])) {
            // Merge data or perform desired operation
        }
    }
}

Keywords

strstr foreach PHP functions data comparison table merging

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