Online PHP editor | perf for b6ZqX

@ 2013-05-14T08:07:52Z

<?php

// iconv checks
if ( !function_exists( 'iconv' ) ) {
	echo( "JsonFallback: iconv PHP extension is missing\"n );
}
if ( iconv( 'UTF-8', 'UTF-16BE', "\x00" ) !== "\x00\x00" ) {
	echo( "JsonFallback: iconv PHP extension failed to convert U+0000\n" );
}
if ( iconv( 'UTF-8', 'UTF-16BE', "\xc4\x80" ) !== "\x01\x00" ) {
	echo( "JsonFallback: iconv PHP extension failed to convert U+0100\n" );
}
if ( iconv( 'UTF-8', 'UTF-16BE', "\xef\xbf\xbf" ) !== "\xff\xff" ) {
	echo( "JsonFallback: iconv PHP extension failed to convert U+FFFF\n" );
}
if ( iconv( 'UTF-8', 'UTF-16BE', "\xf0\x90\x80\x80" ) !== "\xd8\x00\xdc\x00" ) {
	echo( "JsonFallback: iconv PHP extension failed to convert U+10000\n" );
}
if ( @iconv( 'UTF-8', 'UTF-16BE', "\xc0\x80" ) !== false ) {
	echo( "JsonFallback: iconv PHP extension failed to reject C0 80\n" );
}
if ( @iconv( 'UTF-8', 'UTF-16BE', "\xf4\x90\x80\x80" ) !== false ) {
	echo( "JsonFallback: iconv PHP extension failed to reject F4 90 80 80\n" );
}

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
5.4.15	0.007	0.077	19.12
5.4.14	0.000	0.057	16.39
5.4.13	0.010	0.073	16.49
5.4.12	0.010	0.057	16.24
5.4.11	0.000	0.073	16.27
5.4.10	0.003	0.067	16.37
5.4.9	0.007	0.037	16.34
5.4.8	0.000	0.050	16.63
5.4.7	0.007	0.037	16.48
5.4.6	0.000	0.040	16.32
5.4.5	0.010	0.067	16.31
5.4.4	0.003	0.050	16.45
5.4.3	0.003	0.073	16.45
5.4.2	0.010	0.037	16.27
5.4.1	0.010	0.040	16.39
5.4.0	0.020	0.057	15.85
5.3.25	0.000	0.057	14.56
5.3.24	0.023	0.063	14.48
5.3.23	0.000	0.080	14.49
5.3.22	0.010	0.070	14.54
5.3.21	0.007	0.043	14.50
5.3.20	0.003	0.043	14.36
5.3.19	0.000	0.040	14.50
5.3.18	0.007	0.070	14.65
5.3.17	0.003	0.073	14.54
5.3.16	0.007	0.060	14.48
5.3.15	0.010	0.077	14.50
5.3.14	0.000	0.057	14.50
5.3.13	0.007	0.080	14.48
5.3.12	0.010	0.040	14.51
5.3.11	0.000	0.047	14.53
5.3.10	0.007	0.077	14.00
5.3.9	0.000	0.050	13.84
5.3.8	0.017	0.063	13.96
5.3.7	0.010	0.070	13.94
5.3.6	0.010	0.073	13.94
5.3.5	0.003	0.070	13.76
5.3.4	0.013	0.067	13.87
5.3.3	0.000	0.077	13.84
5.3.2	0.010	0.070	13.63
5.3.1	0.003	0.050	13.58
5.3.0	0.003	0.077	13.57

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