Online PHP editor | perf for oc0Rf

@ 2013-07-29T06:39:49Z

<?php

echo 'null == false? ', (null == false) ? 'yes' : 'no', '<br />';
echo 'null == 0?', (null == 0) ? 'yes' : 'no', '<br />';
echo 'null == "0"?', (null == "0") ? 'yes', 'no' : '<br />';
echo 'null == $undefined?', (null == $undefined) ? 'yes', 'no' : '<br />';
echo 'null == ""?', (null == "") ? 'yes' : 'no', '<br />';

echo 'false == 0?', (false == 0) ? 'yes', 'no' : '<br />';
echo 'false == "0"?', (false == "0") ? 'yes', 'no' : '<br />';
echo 'false == $undefined?', (false == $undefined) ? 'yes' : 'no', '<br />';
echo 'false == ""?', (false == "") ? 'yes' : 'no', '<br />';

echo '0 == "0"?', (0 == "0") ? 'yes' : 'no', '<br />';
echo '0 == $undefined?', (0 == $undefined) ? 'yes' : 'no', '<br />';
echo '0 == ""?', (0 == "") ? 'yes', 'no' : '<br />';

echo '"0" == $undefined?', ("0" == $undefined) ? 'yes' : 'no', '<br />';
echo '"0" == ""?', ("0" == "") ? 'yes' : 'no', '<br />';

echo '$undefined == ""?', ($undefined == "") ? 'yes' : 'no', '<br />';

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)
5.4.17	0.017	0.060	12.38
5.4.16	0.010	0.043	12.37
5.4.15	0.012	0.043	12.37
5.4.14	0.009	0.043	12.06
5.4.13	0.010	0.038	12.04
5.4.12	0.010	0.037	12.01
5.4.11	0.011	0.052	12.00
5.4.10	0.009	0.039	12.00
5.4.9	0.009	0.041	12.00
5.4.8	0.010	0.044	12.01
5.4.7	0.011	0.041	12.00
5.4.6	0.009	0.045	12.00
5.4.5	0.011	0.043	12.00
5.4.4	0.010	0.053	11.99
5.4.3	0.008	0.046	11.98
5.4.2	0.013	0.040	11.98
5.4.1	0.010	0.044	11.99
5.4.0	0.010	0.045	11.48
5.3.27	0.013	0.048	12.72
5.3.26	0.011	0.049	12.72
5.3.25	0.012	0.046	12.72
5.3.24	0.012	0.045	12.72
5.3.23	0.011	0.045	12.71
5.3.22	0.017	0.056	12.68
5.3.21	0.012	0.050	12.68
5.3.20	0.012	0.046	12.68
5.3.19	0.012	0.042	12.68
5.3.18	0.009	0.043	12.67
5.3.17	0.012	0.040	12.67
5.3.16	0.009	0.041	12.67
5.3.15	0.008	0.045	12.67
5.3.14	0.011	0.040	12.66
5.3.13	0.012	0.043	12.66
5.3.12	0.011	0.040	12.66
5.3.11	0.009	0.041	12.66
5.3.10	0.010	0.041	12.12
5.3.9	0.010	0.039	12.08
5.3.8	0.008	0.041	12.08
5.3.7	0.008	0.040	12.08
5.3.6	0.015	0.047	12.06
5.3.5	0.013	0.037	12.00
5.3.4	0.008	0.041	12.00
5.3.3	0.010	0.038	11.95
5.3.2	0.008	0.041	11.73
5.3.1	0.012	0.036	11.69
5.3.0	0.011	0.052	11.68

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