3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = '8'; print "isset: '" . isset($s) . "'. "; print "!empty: '" . !empty($s) . "'"; ?>

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)
8.3.60.0110.00718.31
8.3.50.0140.00318.04
8.3.40.0070.00718.57
8.3.30.0090.00618.59
8.3.20.0080.00018.85
8.3.10.0040.00421.77
8.3.00.0080.00023.50
8.2.180.0100.00318.05
8.2.170.0070.00722.96
8.2.160.0130.00719.33
8.2.150.0060.00324.18
8.2.140.0000.00724.66
8.2.130.0040.00422.29
8.2.120.0040.00426.35
8.2.110.0030.00622.25
8.2.100.0000.01117.72
8.2.90.0000.00819.07
8.2.80.0000.00917.97
8.2.70.0030.00518.05
8.2.60.0000.00918.04
8.2.50.0000.00718.10
8.2.40.0030.00521.20
8.2.30.0050.00219.23
8.2.20.0000.00818.05
8.2.10.0030.00618.04
8.2.00.0030.00319.36
8.1.280.0130.00425.92
8.1.270.0000.00822.16
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0080.00021.96
8.1.230.0080.00320.91
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0030.00617.22
8.1.190.0050.00317.10
8.1.180.0090.00018.10
8.1.170.0030.00618.89
8.1.160.0080.00018.84
8.1.150.0070.00018.93
8.1.140.0040.00417.56
8.1.130.0000.00718.92
8.1.120.0030.00417.47
8.1.110.0040.00417.44
8.1.100.0040.00417.28
8.1.90.0070.00317.46
8.1.80.0000.00817.41
8.1.70.0040.00417.46
8.1.60.0000.00817.46
8.1.50.0080.00017.40
8.1.40.0040.00417.52
8.1.30.0040.00417.57
8.1.20.0040.00417.64
8.1.10.0040.00417.55
8.1.00.0040.00417.32
8.0.300.0070.00019.69
8.0.290.0040.00416.75
8.0.280.0040.00418.48
8.0.270.0030.00317.25
8.0.260.0040.00417.26
8.0.250.0020.00516.98
8.0.240.0070.00016.91
8.0.230.0000.00716.95
8.0.220.0000.00716.86
8.0.210.0040.00316.89
8.0.200.0060.00316.94
8.0.190.0060.00316.93
8.0.180.0000.00816.77
8.0.170.0030.00616.94
8.0.160.0000.00816.79
8.0.150.0070.00016.71
8.0.140.0000.00716.85
8.0.130.0030.00313.30
8.0.120.0000.00716.94
8.0.110.0000.00716.75
8.0.100.0000.00816.93
8.0.90.0050.00316.77
8.0.80.0070.00916.85
8.0.70.0040.00416.80
8.0.60.0000.00716.68
8.0.50.0040.00416.71
8.0.30.0100.00916.87
8.0.20.0100.01217.42
8.0.10.0040.00416.96
8.0.00.0130.00516.75
7.4.330.0040.00015.55
7.4.320.0060.00016.60
7.4.300.0000.00616.51
7.4.290.0000.00716.54
7.4.280.0000.00716.55
7.4.270.0030.00316.48
7.4.260.0040.00416.60
7.4.250.0030.00316.35
7.4.240.0000.00716.34
7.4.230.0000.00716.40
7.4.220.0000.00716.23
7.4.210.0070.00816.43
7.4.200.0040.00416.32
7.4.160.0100.00816.52
7.4.140.0110.00917.86
7.4.130.0120.00916.48
7.4.120.0100.01216.50
7.4.110.0030.01316.58
7.4.100.0060.00916.40
7.4.90.0140.00316.57
7.4.80.0130.00619.39
7.4.70.0100.01016.37
7.4.60.0150.00316.56
7.4.50.0030.00916.55
7.4.40.0060.01216.52
7.4.00.0070.00715.01
7.3.330.0040.00312.91
7.3.320.0000.00613.11
7.3.310.0050.00216.30
7.3.300.0030.00316.10
7.3.290.0030.00316.18
7.3.280.0090.00616.22
7.3.260.0110.00816.39
7.3.240.0120.00716.31
7.3.230.0060.01116.30
7.3.210.0060.01216.24
7.3.200.0040.01416.24
7.3.190.0070.01016.13
7.3.180.0080.01116.51
7.3.170.0130.01016.24
7.3.160.0070.01416.23
7.2.330.0000.01816.66
7.2.320.0090.00916.73
7.2.310.0090.01516.54
7.2.300.0080.00816.39
7.2.290.0080.00816.25
7.2.70.0640.00014.85
7.2.60.0110.01515.12
7.2.50.0160.01314.84
7.2.40.0200.00915.14
7.2.30.0240.00515.02
7.2.20.0190.00715.00
7.2.10.0410.00614.79
7.2.00.0110.01115.04
7.1.200.0080.00415.64
7.1.170.0400.00913.83
7.1.160.0160.01213.96
7.1.150.0150.01213.77
7.1.140.0170.00713.93
7.1.130.0190.00613.65
7.1.120.0120.01713.75
7.1.110.0220.00813.89
7.1.100.0130.01613.61
7.1.90.0220.00413.79
7.1.80.0150.00913.61
7.1.70.0170.00513.89
7.1.60.0300.00931.80
7.1.50.0340.00431.66
7.1.40.0320.01031.75
7.1.30.0320.02231.65
7.1.20.0470.00831.80
7.1.10.0050.02213.93
7.1.00.0070.01313.58

preferences:
61.67 ms | 400 KiB | 5 Q