3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(empty(0), empty(''), empty(1));

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)
8.3.70.0070.00716.63
8.3.60.0040.01118.05
8.3.50.0120.00716.54
8.3.40.0140.00018.41
8.3.30.0110.00418.59
8.3.20.0000.00720.25
8.3.10.0050.00523.65
8.3.00.0040.00419.56
8.2.180.0140.00718.18
8.2.170.0100.00622.96
8.2.160.0140.00318.95
8.2.150.0050.00324.18
8.2.140.0040.01124.66
8.2.130.0000.00719.27
8.2.120.0040.00426.35
8.2.110.0040.00422.16
8.2.100.0070.00717.59
8.2.90.0040.00418.92
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0040.00417.80
8.2.50.0000.00818.10
8.2.40.0000.00720.38
8.2.30.0040.00419.11
8.2.20.0000.00817.99
8.2.10.0040.00417.86
8.2.00.0000.00717.91
8.1.280.0090.00625.92
8.1.270.0000.00822.20
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00024.02
8.1.230.0070.00422.12
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0040.00417.11
8.1.190.0000.00817.10
8.1.180.0050.00218.10
8.1.170.0040.00418.65
8.1.160.0000.00718.98
8.1.150.0060.00320.59
8.1.140.0040.00419.32
8.1.130.0030.00318.71
8.1.120.0070.00017.22
8.1.110.0030.00617.28
8.1.100.0080.00017.24
8.1.90.0040.00417.25
8.1.80.0030.00317.26
8.1.70.0040.00417.29
8.1.60.0040.00417.36
8.1.50.0000.00817.40
8.1.40.0040.00417.37
8.1.30.0040.00417.42
8.1.20.0000.00717.49
8.1.10.0070.00017.41
8.1.00.0070.00017.36
8.0.300.0050.00218.77
8.0.290.0040.00416.58
8.0.280.0030.00318.22
8.0.270.0030.00317.08
8.0.260.0070.00018.48
8.0.250.0050.00216.83
8.0.240.0000.00816.86
8.0.230.0030.00516.71
8.0.220.0030.00316.77
8.0.210.0070.00016.64
8.0.200.0030.00316.79
8.0.190.0000.00916.77
8.0.180.0030.00316.67
8.0.170.0000.00716.72
8.0.160.0000.00716.65
8.0.150.0000.00816.82
8.0.140.0090.00016.76
8.0.130.0030.00313.16
8.0.120.0000.00716.75
8.0.110.0000.00916.64
8.0.100.0050.00316.75
8.0.90.0050.00216.70
8.0.80.0030.01416.70
8.0.70.0040.00416.71
8.0.60.0040.00416.66
8.0.50.0000.00716.70
8.0.30.0110.00917.00
8.0.20.0100.01017.40
8.0.10.0040.00416.70
8.0.00.0150.00816.60
7.4.330.0070.00015.55
7.4.320.0030.00316.35
7.4.300.0060.00016.48
7.4.290.0040.00416.25
7.4.280.0040.00416.30
7.4.270.0040.00416.46
7.4.260.0030.00316.38
7.4.250.0030.00316.34
7.4.240.0000.00716.32
7.4.230.0040.00416.20
7.4.220.0070.01116.30
7.4.210.0090.00616.37
7.4.200.0000.00716.46
7.4.160.0100.00816.35
7.4.150.0110.01417.40
7.4.140.0110.00717.86
7.4.130.0110.00716.18
7.4.120.0110.00916.41
7.4.110.0100.00716.21
7.4.100.0130.00416.23
7.4.90.0120.00616.54
7.4.80.0100.00719.39
7.4.70.0130.00416.32
7.4.60.0060.00916.54
7.4.50.0100.00316.44
7.4.40.0060.01216.39
7.4.30.0060.00916.27
7.4.10.0090.00914.86
7.4.00.0020.01514.59
7.3.330.0000.00512.98
7.3.320.0060.00012.96
7.3.310.0000.00716.11
7.3.300.0030.00316.03
7.3.290.0050.00916.11
7.3.280.0070.00916.10
7.3.270.0140.00317.40
7.3.260.0110.00716.38
7.3.250.0070.00916.24
7.3.240.0080.01116.08
7.3.230.0100.00716.41
7.3.210.0180.00316.18
7.3.200.0130.00316.16
7.3.190.0120.00416.43
7.3.180.0080.00916.03
7.3.170.0100.00616.48
7.3.160.0040.01716.07
7.3.130.0110.00614.61
7.3.120.0070.01114.52
7.3.110.0040.01614.72
7.3.100.0040.00814.52
7.3.90.0080.00614.57
7.3.80.0060.00614.58
7.3.70.0060.00614.67
7.3.60.0030.01014.76
7.3.50.0080.00614.56
7.3.40.0090.00314.66
7.3.30.0070.00714.52
7.3.20.0090.00316.52
7.3.10.0000.01316.71
7.3.00.0000.01316.63
7.2.330.0070.01116.46
7.2.320.0090.00616.18
7.2.310.0030.01316.09
7.2.300.0130.00316.35
7.2.290.0070.01016.52
7.2.260.0000.02014.71
7.2.250.0070.01115.11
7.2.240.0130.00314.64
7.2.230.0090.00314.78
7.2.220.0090.00614.44
7.2.210.0060.00614.77
7.2.200.0000.01214.65
7.2.190.0100.00314.90
7.2.180.0090.00015.05
7.2.170.0030.01014.88
7.2.160.0000.00914.95
7.2.150.0100.00316.91
7.2.140.0070.00716.59
7.2.130.0070.00716.51
7.2.120.0100.00016.52
7.2.110.0060.00716.52
7.2.100.0070.00716.61
7.2.90.0040.00816.84
7.2.80.0000.01316.58
7.2.70.0090.00616.84
7.2.60.0080.00716.77
7.2.50.0080.00716.31
7.2.40.0090.00616.70
7.2.30.0080.00816.66
7.2.20.0060.00616.48
7.2.10.0060.00616.79
7.2.00.0060.00617.85
7.1.330.0120.00415.63
7.1.320.0060.00915.49
7.1.310.0100.00315.47
7.1.300.0030.00615.46
7.1.290.0000.00815.63
7.1.280.0040.01115.75
7.1.270.0120.00315.67
7.1.260.0030.01015.50
7.1.250.0070.00715.74
7.1.240.0060.00315.66
7.1.230.0030.01015.70
7.1.220.0030.00915.61
7.1.210.0030.01015.63
7.1.200.0060.00515.57
7.1.190.0060.01015.45
7.1.180.0000.01215.68
7.1.170.0120.00015.35
7.1.160.0110.00015.60
7.1.150.0040.01115.79
7.1.140.0060.00615.63
7.1.130.0030.00915.79
7.1.120.0080.00415.71
7.1.110.0030.00615.43
7.1.100.0030.00816.72
7.1.90.0070.01015.68
7.1.80.0040.01515.77
7.1.70.0070.00816.25
7.1.60.0210.00925.25
7.1.50.0170.00925.11
7.1.40.0210.01724.92
7.1.30.0250.00924.89
7.1.20.0480.01325.13
7.1.10.0060.01216.03
7.1.00.0290.00816.18
7.0.330.0030.01315.14
7.0.320.0000.01615.21
7.0.310.0040.00715.36
7.0.300.0030.01015.20
7.0.290.0070.00715.29
7.0.280.0060.00615.29
7.0.270.0060.00615.27
7.0.260.0040.00415.01
7.0.250.0110.00515.36
7.0.240.0070.00715.48
7.0.230.0030.01315.08
7.0.220.0060.00615.29
7.0.210.0060.00315.35
7.0.200.0080.00815.79
7.0.190.0550.01315.80
7.0.180.0080.00915.64
7.0.170.0340.01315.80
7.0.160.0080.01115.88
7.0.150.0400.01214.90
7.0.140.0080.01115.79
7.0.130.0060.01316.03
7.0.120.0090.00915.71
7.0.110.0100.00815.79
7.0.100.0060.01015.74
7.0.90.0040.01215.64
7.0.80.0070.01115.71
7.0.70.0040.01215.81
7.0.60.0090.00815.64
7.0.50.0080.00915.83
7.0.40.0070.01314.98
7.0.30.0090.00914.87
7.0.20.0090.01114.76
7.0.10.0090.00914.97
7.0.00.0260.01114.78
5.6.400.0120.00614.20
5.6.390.0070.00714.22
5.6.380.0080.00814.54
5.6.370.0070.00714.41
5.6.360.0100.00713.86
5.6.350.0030.01313.72
5.6.340.0000.01114.12
5.6.330.0040.00714.42
5.6.320.0130.00314.11
5.6.310.0030.01014.36
5.6.300.0040.00714.30
5.6.290.0070.01014.25
5.6.280.0050.01014.26
5.6.270.0030.00914.13
5.6.260.0090.00314.05
5.6.250.0000.01414.17
5.6.240.0060.00314.22
5.6.230.0100.00314.08
5.6.220.0040.00914.27
5.6.210.0000.01214.11
5.6.200.0040.01214.09
5.6.190.0030.01014.25
5.6.180.0080.00413.98
5.6.170.0040.01113.96
5.6.160.0070.00713.98
5.6.150.0120.00314.13
5.6.140.0030.00614.04
5.6.130.0070.00714.38
5.6.120.0000.00914.12
5.6.110.0060.00314.26
5.6.100.0000.01214.13
5.6.90.0070.00714.04
5.6.80.0030.01314.21
5.6.70.0090.00614.19
5.6.60.0000.01414.04
5.6.50.0130.00313.98
5.6.40.0000.00913.94
5.6.30.0110.00414.45
5.6.20.0090.00614.15
5.6.10.0030.01014.01
5.6.00.0070.00713.99

preferences:
44.84 ms | 401 KiB | 5 Q