3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = (string) 0.0; var_dump(empty($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)
8.3.70.0100.00718.18
8.3.60.0100.01016.50
8.3.50.0130.00522.03
8.3.40.0140.00718.70
8.3.30.0120.00318.84
8.3.20.0040.00420.22
8.3.10.0050.00221.89
8.3.00.0040.00419.13
8.2.190.0110.00416.63
8.2.180.0070.00718.41
8.2.170.0110.00422.96
8.2.160.0070.00720.44
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00626.16
8.2.120.0080.00019.36
8.2.110.0030.00621.93
8.2.100.0080.00317.50
8.2.90.0060.00319.09
8.2.80.0040.00417.97
8.2.70.0060.00317.49
8.2.60.0080.00018.03
8.2.50.0040.00418.07
8.2.40.0050.00319.89
8.2.30.0000.00718.00
8.2.20.0040.00417.72
8.2.10.0070.00017.96
8.2.00.0000.00717.63
8.1.280.0170.00325.92
8.1.270.0060.00320.53
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0080.00024.02
8.1.230.0040.00719.14
8.1.220.0020.00517.74
8.1.210.0030.00618.77
8.1.200.0030.00616.98
8.1.190.0000.00817.23
8.1.180.0050.00318.10
8.1.170.0050.00320.32
8.1.160.0000.00722.00
8.1.150.0000.00718.73
8.1.140.0040.00417.45
8.1.130.0080.00017.69
8.1.120.0110.00017.43
8.1.110.0070.00017.41
8.1.100.0000.00717.36
8.1.90.0070.00017.37
8.1.80.0060.00317.38
8.1.70.0070.00017.43
8.1.60.0000.00817.52
8.1.50.0000.00817.35
8.1.40.0000.00817.47
8.1.30.0050.00317.64
8.1.20.0040.00417.63
8.1.10.0040.00417.45
8.1.00.0000.00817.30
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.36
8.0.270.0070.00017.14
8.0.260.0030.00317.11
8.0.250.0000.00616.91
8.0.240.0040.00416.77
8.0.230.0030.00516.91
8.0.220.0000.00816.89
8.0.210.0050.00216.83
8.0.200.0050.00316.98
8.0.190.0070.00016.93
8.0.180.0000.00716.88
8.0.170.0000.00816.89
8.0.160.0040.00416.90
8.0.150.0070.00016.83
8.0.140.0060.00316.88
8.0.130.0060.00013.37
8.0.120.0000.00716.79
8.0.110.0040.00416.84
8.0.100.0000.00816.76
8.0.90.0030.00516.93
8.0.80.0090.00616.81
8.0.70.0030.00416.70
8.0.60.0000.00716.68
8.0.50.0080.00016.73
8.0.30.0140.00916.96
8.0.20.0130.00917.40
8.0.10.0080.00017.07
8.0.00.0100.01016.75
7.4.330.0000.00515.07
7.4.320.0000.00616.48
7.4.300.0030.00316.43
7.4.290.0070.00016.53
7.4.280.0080.00016.47
7.4.270.0000.00716.41
7.4.260.0000.00716.50
7.4.250.0030.00616.39
7.4.240.0060.00216.55
7.4.230.0030.00316.33
7.4.220.0080.00816.37
7.4.210.0100.00616.39
7.4.200.0030.00316.52
7.4.160.0090.00616.68
7.4.150.0030.01617.40
7.4.140.0070.01017.86
7.4.130.0120.00716.33
7.4.120.0100.01016.47
7.4.110.0150.00316.39
7.4.100.0070.01116.41
7.4.90.0070.01016.28
7.4.80.0100.01319.39
7.4.70.0110.00916.39
7.4.60.0100.01016.47
7.4.50.0040.00016.51
7.4.40.0120.00316.29
7.4.30.0040.01816.52
7.4.00.0070.00914.85
7.3.330.0060.00013.09
7.3.320.0110.00412.93
7.3.310.0070.00016.25
7.3.300.0000.00916.18
7.3.290.0050.00916.20
7.3.280.0040.01016.17
7.3.270.0090.00917.40
7.3.260.0070.01116.41
7.3.250.0120.00716.19
7.3.240.0070.01116.30
7.3.230.0100.01016.39
7.3.210.0090.01216.30
7.3.200.0120.00619.39
7.3.190.0090.00616.22
7.3.180.0120.00316.54
7.3.170.0090.01216.30
7.3.160.0090.00916.41
7.3.120.0110.00714.61
7.3.110.0060.01114.53
7.3.100.0120.00014.80
7.3.90.0090.00614.86
7.3.80.0070.00714.64
7.3.70.0030.00814.82
7.3.60.0040.01114.67
7.3.50.0040.00414.74
7.3.40.0060.00614.79
7.3.30.0060.01014.61
7.3.20.0070.00716.76
7.3.10.0150.00016.49
7.3.00.0110.00416.26
7.2.330.0090.00816.30
7.2.320.0100.00716.16
7.2.310.0080.01416.40
7.2.300.0180.00016.54
7.2.290.0130.00316.29
7.2.250.0070.01114.61
7.2.240.0100.00714.94
7.2.230.0070.01014.57
7.2.220.0100.01014.78
7.2.210.0080.00314.84
7.2.200.0040.00814.99
7.2.190.0080.00314.80
7.2.180.0030.01014.82
7.2.170.0040.01514.79
7.2.60.0100.00716.68
7.2.00.0090.00919.23
7.1.330.0070.00715.86
7.1.320.0100.00715.72
7.1.310.0130.00715.48
7.1.300.0060.00915.62
7.1.290.0060.00915.64
7.1.280.0070.00315.63
7.1.270.0000.00815.61
7.1.260.0000.01515.41
7.1.200.0060.00615.84
7.1.100.0000.00817.82
7.1.70.0000.00716.96
7.1.60.0070.01719.50
7.1.50.0040.02116.82
7.1.00.0030.07722.48
7.0.200.1320.00914.48
7.0.140.0030.07322.23
7.0.60.0030.04019.91
7.0.50.0070.05317.87
7.0.40.0100.07720.02
7.0.30.0300.08020.04
7.0.20.0230.05320.32
7.0.10.0300.05320.16
7.0.00.0130.08320.16
5.6.280.0030.07320.99
5.6.210.0070.07720.61
5.6.200.0030.09018.08
5.6.190.0130.06320.45
5.6.180.0270.07020.30
5.6.170.0430.07320.39
5.6.160.0170.07720.44
5.6.150.0030.05018.08
5.6.140.0070.08018.18
5.6.130.0170.08018.13
5.6.120.0100.04021.09
5.6.110.0130.07020.97
5.6.100.0070.08021.03
5.6.90.0100.07320.94
5.6.80.0030.07320.38
5.6.70.0270.07720.36
5.5.350.0170.07320.35
5.5.340.0070.04017.96
5.5.330.0130.07720.07
5.5.320.0130.08020.23
5.5.310.0100.04720.29
5.5.300.0030.08017.98
5.5.290.0100.03317.89
5.5.280.0070.05320.76
5.5.270.0030.07320.95
5.5.260.0100.08320.79
5.5.250.0130.05720.54
5.5.240.0170.07720.36
5.4.450.0900.05319.45
5.4.440.0830.06019.55
5.4.430.1400.06019.57
5.4.420.0770.05319.32
5.4.410.0100.05719.48
5.4.400.0200.05018.62
5.4.390.0230.04718.49
5.4.380.0130.06318.71
5.4.370.0230.07018.65
5.4.360.0230.05018.56
5.4.350.0200.05318.46
5.4.340.0230.05018.46
5.4.320.0200.05318.52
5.4.310.0100.08018.49
5.4.300.0300.06318.61
5.4.290.0230.07018.61
5.4.280.0370.04718.55
5.4.270.0200.06018.68
5.4.260.0270.04718.60
5.4.250.0130.05718.73
5.4.240.0170.05718.70
5.4.230.0230.04718.70
5.4.220.0200.07318.57
5.4.210.0130.05718.76
5.4.200.0230.05016.38
5.4.190.0200.05318.70
5.4.180.0330.04018.55
5.4.170.0300.05018.64
5.4.160.0230.05318.66
5.4.150.0200.05718.69
5.4.140.0270.05016.09
5.4.130.0130.05316.30
5.4.120.0200.05016.20
5.4.110.0170.04716.14
5.4.100.0230.06016.24
5.4.90.0200.05316.16
5.4.80.0300.04016.02
5.4.70.0230.05016.07
5.4.60.0130.06016.11
5.4.50.0130.05716.01
5.4.40.0230.05016.01
5.4.30.0230.05316.11
5.4.20.0230.04716.18
5.4.10.0300.05716.05
5.4.00.0170.05315.57
5.3.290.0200.06014.65
5.3.280.0270.05714.58
5.3.270.0300.04714.58
5.3.260.0230.05014.59
5.3.250.0170.05314.68
5.3.240.0200.05014.58
5.3.230.0230.05014.58
5.3.220.0370.04014.63
5.3.210.0230.06014.66
5.3.200.0100.06314.56
5.3.190.0170.05314.47
5.3.180.0230.04714.54
5.3.170.0230.04714.47
5.3.160.0200.05714.56
5.3.150.0170.05014.59
5.3.140.0300.04714.64
5.3.130.0270.05314.57
5.3.120.0170.06314.55
5.3.110.0170.06014.51
5.3.100.0130.05714.01
5.3.90.0170.05313.98
5.3.80.0270.04713.92
5.3.70.0130.06314.01
5.3.60.0070.06313.99
5.3.50.0200.04713.94
5.3.40.0170.05313.89
5.3.30.0330.04013.89
5.3.20.0200.04713.67
5.3.10.0170.05313.62
5.3.00.0200.05313.61
5.2.170.0200.04711.14
5.2.160.0130.04711.20
5.2.150.0200.04011.17
5.2.140.0100.05011.17
5.2.130.0200.03711.02
5.2.120.0100.04311.23
5.2.110.0030.05011.15
5.2.100.0170.04311.13
5.2.90.0200.04711.15
5.2.80.0100.04311.01
5.2.70.0130.04311.04
5.2.60.0130.04311.02
5.2.50.0170.04010.99
5.2.40.0170.03710.92
5.2.30.0070.04711.02
5.2.20.0130.04711.07
5.2.10.0130.03710.88
5.2.00.0130.04010.73
5.1.60.0100.03710.11
5.1.50.0230.02710.17
5.1.40.0130.03310.09
5.1.30.0130.03310.45
5.1.20.0130.03710.56
5.1.10.0130.04010.04
5.1.00.0130.03310.06
5.0.50.0100.0278.74
5.0.40.0070.0278.49
5.0.30.0030.0478.33
5.0.20.0030.0308.32
5.0.10.0070.0308.18
5.0.00.0170.0378.23
4.4.90.0100.0206.75
4.4.80.0030.0236.75
4.4.70.0130.0176.75
4.4.60.0070.0206.75
4.4.50.0100.0206.75
4.4.40.0130.0306.75
4.4.30.0100.0206.75
4.4.20.0070.0236.75
4.4.10.0070.0236.75
4.4.00.0130.0276.75
4.3.110.0000.0306.75
4.3.100.0130.0176.75
4.3.90.0070.0206.75
4.3.80.0030.0376.75
4.3.70.0070.0236.75
4.3.60.0070.0206.75
4.3.50.0070.0206.75
4.3.40.0030.0376.75
4.3.30.0100.0176.75
4.3.20.0000.0276.75
4.3.10.0070.0206.75
4.3.00.0170.0176.57

preferences:
61.23 ms | 401 KiB | 5 Q