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<?php function absint( $maybeint ) { return abs( (int) $maybeint ); } function new_absint( $maybeint ): int { if ( is_float( $maybeint ) ) { if ( ! is_finite( $maybeint ) ) { // Casting `NAN` or `INF` to int has produced `0` since PHP 7.0. return 0; } if ( $maybeint <= (float) PHP_INT_MIN || $maybeint >= (float) PHP_INT_MAX ) { // Casting a float beyond the integer range is unreliable and warns as of PHP 8.5. return PHP_INT_MAX; } } $maybeint = (int) $maybeint; if ( PHP_INT_MIN === $maybeint ) { // `abs( PHP_INT_MIN )` overflows to a float, as `PHP_INT_MAX` is one less than `-PHP_INT_MIN`. return PHP_INT_MAX; } return abs( $maybeint ); } #$data = '999 stuff'; // same #$data = '999999999999999999222222222288888888888888222222222227777777774444'; // same, warning is gone in newer version of PHP 8.5 ( 8.5.2+ ) #$data = -PHP_INT_MIN; // original: float, new: int -- and the numbers differ by 1 #$data = 'now is the time'; // same ( zero ) #$data = -PHP_INT_MAX; // same #$data = PHP_INT_MAX + 1; // original: float ( 9.223372036854776E+18 ), new: int ( 9223372036854775807 ) -- very different numbers #$data = PHP_INT_MIN - 1; // original: float( 9.223372036854776E+18 ), new: int( 9223372036854775807 ) -- very different numbers $data = new StdClass(); var_dump( $data ); var_dump( absint( $data ) ); var_dump( new_absint( $data ) );