PHP Functions strlen() returns the length of the string on success and . . . . if the string is empty. -1 Garbage value NULL 0 -1 Garbage value NULL 0 ANSWER DOWNLOAD EXAMIANS APP
PHP Functions Type Hinting was introduced in which version of PHP? PHP 4 PHP 5 PHP 6 PHP 5.3 PHP 4 PHP 5 PHP 6 PHP 5.3 ANSWER DOWNLOAD EXAMIANS APP
PHP Functions What will be the output of the following PHP code?$op2 = "blabla";function foo($op1) {echo $op1;echo $op2;}foo("hello"); helloblablablabla error hello helloblabla helloblablablabla error hello helloblabla ANSWER DOWNLOAD EXAMIANS APP
PHP Functions It is always necessary to use parentheses with the print function. True False True False ANSWER DOWNLOAD EXAMIANS APP
PHP Functions What will be the output of the following PHP code ?function A1($x) { switch($x) {case 1://this statement is the same as if($x == 1)echo 'Case 1 was executed.';break;case 2://this statement is the same asif($x == 2)echo 'Case 2 was executed.';break;case 3://this statement is the same asif($x == 3)echo 'Case 3 was executed.';break;case 4://this statement is the same asif($x == 4)echo 'Case 4 was executed.';break;default://this statement is the same as if $x does not equal the other conditionsecho 'Default was executed.';break;}}A1(9); Case 4 was executed Default was executed Case 2 was executed Case 1 was executed Case 4 was executed Default was executed Case 2 was executed Case 1 was executed ANSWER DOWNLOAD EXAMIANS APP
PHP Functions What will be the output of the following PHP code?function b() {echo "b is executed";}function a(){b();echo "a is executed";b();}a(); b is executedb is executedb is executed b is executeda is executedb is executed a is executed b is executeda is executed b is executedb is executedb is executed b is executeda is executedb is executed a is executed b is executeda is executed ANSWER DOWNLOAD EXAMIANS APP