3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '0.00'; priint_r( empty($a) );

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)
8.3.60.0120.00316.50
8.3.50.0130.00721.81
8.3.40.0130.00718.86
8.3.30.0040.01118.62
8.3.20.0040.00420.16
8.3.10.0050.00323.61
8.3.00.0050.00517.50
8.2.180.0120.00316.63
8.2.170.0100.00722.96
8.2.160.0150.00422.31
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0030.00717.25
8.2.110.0080.00322.08
8.2.100.0090.00318.04
8.2.90.0000.00819.04
8.2.80.0080.00017.97
8.2.70.0090.00017.49
8.2.60.0030.00617.91
8.2.50.0000.00818.07
8.2.40.0040.00421.19
8.2.30.0030.00520.46
8.2.20.0000.00817.73
8.2.10.0070.00018.00
8.2.00.0040.00417.96
8.1.280.0070.00725.92
8.1.270.0000.01023.92
8.1.260.0030.00526.35
8.1.250.0030.00328.09
8.1.240.0000.00822.62
8.1.230.0080.00417.42
8.1.220.0080.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.13
8.1.180.0000.00718.10
8.1.170.0030.00519.01
8.1.160.0040.00421.94
8.1.150.0000.00718.88
8.1.140.0040.00419.50
8.1.130.0030.00317.68
8.1.120.0000.00717.29
8.1.110.0040.00417.35
8.1.100.0040.00417.34
8.1.90.0000.00717.36
8.1.80.0030.00517.41
8.1.70.0030.00317.38
8.1.60.0040.00417.56
8.1.50.0050.00517.50
8.1.40.0000.00817.50
8.1.30.0040.00417.65
8.1.20.0000.00817.65
8.1.10.0080.00017.60
8.1.00.0000.00717.43
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0040.00418.42
8.0.270.0030.00317.07
8.0.260.0030.00317.11
8.0.250.0070.00016.93
8.0.240.0030.00516.82
8.0.230.0030.00316.87
8.0.220.0000.00816.89
8.0.210.0000.00716.77
8.0.200.0030.00316.92
8.0.190.0040.00416.95
8.0.180.0030.00516.97
8.0.170.0050.00316.93
8.0.160.0000.00716.90
8.0.150.0030.00316.84
8.0.140.0030.00316.91
8.0.130.0030.00313.24
8.0.120.0000.00716.89
8.0.110.0000.00816.79
8.0.100.0030.00516.66
8.0.90.0040.00416.94
8.0.80.0030.01216.82
8.0.70.0000.00716.84
8.0.60.0040.00416.77
8.0.50.0040.00416.78
8.0.30.0080.01017.02
8.0.20.0110.00817.40
8.0.10.0000.00716.94
8.0.00.0120.00716.74
7.4.330.0000.00515.08
7.4.320.0030.00316.33
7.4.300.0070.00016.61
7.4.290.0040.00416.44
7.4.280.0000.00716.57
7.4.270.0000.00716.39
7.4.260.0030.00316.53
7.4.250.0070.00016.46
7.4.240.0070.00016.47
7.4.230.0000.00716.70
7.4.220.0130.00716.44
7.4.210.0060.01016.54
7.4.200.0040.00416.33
7.4.160.0080.00816.45
7.4.150.0100.00717.40
7.4.140.0100.00817.86
7.4.130.0140.00416.51
7.4.120.0060.01116.42
7.4.110.0120.00616.32
7.4.100.0090.01416.42
7.4.90.0070.01016.52
7.4.80.0100.00719.39
7.4.70.0000.01816.40
7.4.60.0030.01816.36
7.4.50.0040.00416.29
7.4.40.0070.00716.68
7.4.30.0100.00716.64
7.4.00.0090.00915.15
7.3.330.0000.00513.16
7.3.320.0000.00513.14
7.3.310.0000.00716.24
7.3.300.0000.00716.24
7.3.290.0000.00716.18
7.3.280.0070.00916.28
7.3.270.0130.00317.40
7.3.260.0060.01016.20
7.3.250.0080.01116.36
7.3.240.0060.01216.31
7.3.230.0040.01316.54
7.3.210.0070.01016.29
7.3.200.0000.01616.36
7.3.190.0090.00916.14
7.3.180.0180.00316.42
7.3.170.0140.00316.42
7.3.160.0040.01316.41
7.3.120.0140.00314.89
7.3.110.0040.01214.76
7.3.100.0100.00714.95
7.3.90.0070.00314.61
7.3.80.0000.01214.85
7.3.70.0100.00314.80
7.3.60.0060.00314.67
7.3.50.0030.01314.79
7.3.40.0030.00614.82
7.3.30.0040.00814.81
7.3.20.0080.00816.39
7.3.10.0070.00616.56
7.3.00.0050.00616.61
7.2.330.0120.01516.52
7.2.320.0160.00416.46
7.2.310.0130.00316.42
7.2.300.0100.01016.48
7.2.290.0090.00916.38
7.2.250.0030.01414.89
7.2.240.0070.01015.00
7.2.230.0040.01115.05
7.2.220.0080.00414.99
7.2.210.0060.00914.76
7.2.200.0060.01014.75
7.2.190.0100.00615.04
7.2.180.0100.00714.93
7.2.170.0000.01014.98
7.2.130.0050.00716.85
7.2.120.0050.00916.76
7.2.110.0030.00916.71
7.2.100.0070.00716.66
7.2.90.0060.00616.69
7.2.80.0040.01016.67
7.2.70.0060.00816.69
7.2.60.0040.01016.70
7.2.50.0050.00616.67
7.2.40.0060.00816.66
7.2.30.0090.00516.68
7.2.20.0070.00616.69
7.2.10.0080.00516.59
7.2.00.0070.00817.63
7.1.330.0070.00715.71
7.1.320.0030.00915.41
7.1.310.0070.00715.60
7.1.300.0070.00715.75
7.1.290.0100.00715.34
7.1.280.0000.00815.58
7.1.270.0110.00315.58
7.1.260.0070.01015.64
7.1.250.0020.00815.71
7.1.200.0030.01015.55
7.1.100.0090.00318.01
7.1.70.0000.00716.87
7.1.60.0100.01319.43
7.1.50.0100.00316.70
7.1.00.0000.08022.40
7.0.200.0410.00314.62
7.0.60.0000.08019.81
7.0.50.0070.03717.86
7.0.40.0100.07720.05
7.0.30.0200.04020.18
7.0.20.0200.03720.33
7.0.10.0170.07720.17
7.0.00.0100.05720.00
5.6.280.0000.07720.86
5.6.210.0100.06320.46
5.6.200.0100.04018.15
5.6.190.0170.04320.43
5.6.180.0500.06020.57
5.6.170.0230.08020.69
5.6.160.0000.05720.52
5.6.150.0170.07318.22
5.6.140.0130.04718.12
5.6.130.0070.08318.15
5.6.120.0070.07321.01
5.6.110.0130.07720.95
5.6.100.0030.09320.97
5.6.90.0100.05721.11
5.6.80.0030.04320.37
5.5.350.0270.05720.40
5.5.340.0100.07717.98
5.5.330.0130.04020.40
5.5.320.0230.08020.33
5.5.310.0230.04020.12
5.5.300.0030.08317.95
5.5.290.0100.04017.89
5.5.280.0100.06720.84
5.5.270.0170.07320.83
5.5.260.0030.08720.63
5.5.250.0100.07720.68
5.5.240.0070.06320.25
5.4.450.0170.08319.34
5.4.440.0470.05319.27
5.4.430.0570.06019.48
5.4.420.0600.05319.48
5.4.410.0530.05719.36
5.4.400.0530.05719.22
5.4.390.0370.06319.16
5.4.380.0130.05319.02
5.4.370.0300.06319.19
5.4.360.0130.05719.25
5.4.350.0200.04718.97
5.4.340.0100.07019.16
5.4.320.0430.06319.22
5.4.310.0670.04319.19
5.4.300.0470.08319.16
5.4.290.0200.05718.75
5.4.280.0130.06018.97
5.4.270.0200.05319.21
5.4.260.0200.05318.99
5.4.250.0230.06318.99
5.4.240.0130.05719.16
5.4.230.0200.05018.75
5.4.220.0100.06019.04
5.4.210.0330.04319.05
5.4.200.0470.05718.75
5.4.190.0170.05018.75
5.4.180.0130.06318.96
5.4.170.0130.06018.98
5.4.160.0170.05018.97
5.4.150.0270.06018.98
5.4.140.0230.05016.41
5.4.130.0230.04316.30
5.4.120.0230.06016.21
5.4.110.0270.05316.45
5.4.100.0300.04316.07
5.4.90.0230.06716.42
5.4.80.0270.06016.16
5.4.70.0170.05016.41
5.4.60.0130.05016.48
5.4.50.0170.06016.42
5.4.40.0100.05016.04
5.4.30.0470.05016.39
5.4.20.0400.04316.36
5.4.10.0070.05316.45
5.4.00.0170.04715.77

preferences:
46.1 ms | 401 KiB | 5 Q