PHP Array Learning (1)

PHP Array Learning Record (1)
Some methods for arrays

$test _arr = Array (' name ' = = ' Test ', 2 = 2, ' color ' = ' red '); Echo ' uses the Var_dump method to output an array: '; Var_dump ($test _arr); Echo '

Output array using the Print_r method: ';p rint_r ($test _arr), if (Is_array ($test _arr)) {echo "

$ test_arr is an array ";} echo "

Array_push Add item in array "; Array_push ($test _arr,array (' good ', ' nice '), ' three ', ' four '); Var_dump ($test _arr); echo"

Array_pop usage "; Array_pop ($test _arr);p rint_r ($test _arr); echo"

Array_shift returns the first element in the array "; $b = Array_shift ($test _arr);p rint_r ($b); echo"

Array_unshift: "; Array_unshift ($test _arr, ' unshift ');p rint_r ($test _arr); echo"

Array_pad: "; $c = Array_pad ($test _arr,-7, ' Xiang ');p rint_r ($c); echo"

In_array: "If (In_array (2, $test _arr)) {echo ' In_array through validate ';} Else{echo ' validate die. ';} echo "

Array_keys: Returns the array key name combined into a set: "; $allmarke = Array_keys ($test _arr); Var_dump ($allmarke);

Ready to be perfected

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