3v4l.org

run code in 300+ PHP versions simultaneously
<?php //PHPの関数 //様々な関数 $a[1] = "000"; //empty関数 /*以下の場合にTRUE ・空白の数値 ・NULLやFALSE ・変数が定義されただけの状態 ・文字列の半角の0 ・配列、数値の0 */ print $a[0]; echo empty($a).PHP_EOL;

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).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0070.01018.42
8.3.50.0070.00716.55
8.3.40.0110.00718.92
8.3.30.0120.00618.84
8.3.20.0040.00424.18
8.3.10.0090.00324.66
8.3.00.0080.00026.16
8.2.180.0070.01425.92
8.2.170.0070.01118.91
8.2.160.0060.00922.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00726.35
8.2.110.0070.00322.03
8.2.100.0130.00318.03
8.2.90.0060.00319.36
8.2.80.0040.00417.97
8.2.70.0060.00317.73
8.2.60.0040.00417.93
8.2.50.0030.00718.07
8.2.40.0060.00318.16
8.2.30.0000.00718.05
8.2.20.0050.00218.05
8.2.10.0040.00419.16
8.2.00.0000.00819.30
8.1.280.0070.00725.92
8.1.270.0050.00223.99
8.1.260.0080.00028.09
8.1.250.0070.00028.09
8.1.240.0090.00021.02
8.1.230.0030.00917.77
8.1.220.0040.00417.78
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0000.00817.35
8.1.180.0030.00618.10
8.1.170.0000.00818.49
8.1.160.0000.00718.71
8.1.150.0040.00418.89
8.1.140.0070.00018.74
8.1.130.0000.00720.18
8.1.120.0040.00417.34
8.1.110.0030.00617.38
8.1.100.0000.00817.28
8.1.90.0000.00717.28
8.1.80.0030.00717.41
8.1.70.0030.00317.28
8.1.60.0050.00217.57
8.1.50.0040.00417.48
8.1.40.0040.00417.46
8.1.30.0030.00517.56
8.1.20.0000.00717.52
8.1.10.0000.00817.55
8.1.00.0040.00417.45
8.0.300.0030.00518.77
8.0.290.0050.00216.63
8.0.280.0030.00318.30
8.0.270.0000.00718.00
8.0.260.0000.00718.50
8.0.250.0040.00416.94
8.0.240.0030.00316.92
8.0.230.0040.00416.86
8.0.220.0050.00216.79
8.0.210.0000.00816.78
8.0.200.0030.00316.94
8.0.190.0040.00416.88
8.0.180.0030.00316.93
8.0.170.0030.00616.88
8.0.160.0040.00416.76
8.0.150.0040.00416.68
8.0.140.0080.00016.89
8.0.130.0000.00513.36
8.0.120.0080.00016.81
8.0.110.0070.00016.88
8.0.100.0030.00516.89
8.0.90.0040.00416.89
8.0.80.0080.00916.84
8.0.70.0000.00716.93
8.0.60.0040.00416.64
8.0.50.0000.00716.82
8.0.30.0130.00317.13
8.0.20.0110.00916.94
8.0.10.0090.00916.86
8.0.00.0120.00617.16
7.4.330.0000.00515.55
7.4.320.0060.00016.45
7.4.300.0060.00016.34
7.4.290.0080.00016.44
7.4.280.0100.00016.48
7.4.270.0000.00716.44
7.4.260.0030.00313.20
7.4.250.0030.00316.38
7.4.240.0030.00316.39
7.4.230.0030.00316.46
7.4.220.0030.00316.47
7.4.210.0100.00616.52
7.4.200.0000.00716.54
7.4.140.0120.00816.63
7.4.130.0130.00316.55
7.4.120.0080.00816.32
7.4.110.0100.01016.41
7.4.100.0150.00616.37
7.4.90.0100.01016.54
7.4.80.0060.01216.29
7.4.70.0040.01516.38
7.4.60.0100.00716.18
7.4.50.0100.00715.97
7.4.40.0040.01416.71
7.4.30.0100.00716.28
7.4.20.0090.00916.46
7.4.10.0080.00816.17
7.4.00.0060.01416.46
7.3.330.0000.00816.37
7.3.320.0050.00013.25
7.3.310.0000.00716.37
7.3.300.0060.00016.36
7.3.290.0100.00516.35
7.3.260.0110.00516.56
7.3.250.0130.00316.33
7.3.240.0070.01115.90
7.3.230.0090.01216.45
7.3.220.0060.01516.48
7.3.210.0140.00316.31
7.3.200.0120.00616.36
7.3.190.0120.00616.46
7.3.180.0090.00916.26
7.3.170.0030.01416.43
7.3.160.0110.01016.36
7.3.150.0140.00616.09
7.3.140.0120.00616.26
7.3.130.0070.01416.41
7.3.120.0100.00716.19
7.3.110.0070.01016.36
7.3.100.0150.00316.44
7.3.90.0180.00316.26
7.3.80.0110.00916.27
7.3.70.0070.01016.43
7.3.60.0120.00916.45
7.3.50.0110.00816.22
7.3.40.0120.00616.20
7.3.30.0130.00616.46
7.3.20.0110.01216.35
7.3.10.0110.00716.28
7.3.00.0130.00616.29

preferences:
71.65 ms | 400 KiB | 5 Q