3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo empty(""); echo empty("0");

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)
8.3.40.0080.01218.85
8.3.30.0070.00718.98
8.3.20.0030.00620.30
8.3.10.0000.00823.64
8.3.00.0080.00019.38
8.2.170.0070.00722.96
8.2.160.0110.00320.44
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00822.02
8.2.110.0100.00022.11
8.2.100.0080.00417.78
8.2.90.0040.00419.21
8.2.80.0040.00417.97
8.2.70.0040.00417.48
8.2.60.0050.00317.80
8.2.50.0000.00918.07
8.2.40.0030.00618.09
8.2.30.0040.00417.86
8.2.20.0040.00417.43
8.2.10.0040.00417.79
8.2.00.0030.00517.41
8.1.270.0050.00323.87
8.1.260.0110.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00623.97
8.1.230.0080.00419.09
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0030.00517.28
8.1.180.0040.00818.88
8.1.170.0040.00418.57
8.1.160.0040.00421.85
8.1.150.0040.00418.50
8.1.140.0070.00017.37
8.1.130.0000.00817.71
8.1.120.0040.00417.37
8.1.110.0050.00317.29
8.1.100.0050.00517.34
8.1.90.0000.00717.34
8.1.80.0030.00317.25
8.1.70.0000.00717.20
8.1.60.0040.00417.52
8.1.50.0000.00817.34
8.1.40.0050.00217.41
8.1.30.0040.00417.44
8.1.20.0000.00717.56
8.1.10.0040.00417.28
8.1.00.0020.00517.34
8.0.300.0070.00018.77
8.0.290.0070.00017.04
8.0.280.0000.00718.28
8.0.270.0070.00017.13
8.0.260.0040.00417.09
8.0.250.0060.00016.87
8.0.240.0000.00716.80
8.0.230.0000.00716.71
8.0.220.0000.00616.80
8.0.210.0040.00416.77
8.0.200.0060.00016.79
8.0.190.0040.00416.79
8.0.180.0050.00216.80
8.0.170.0000.00816.84
8.0.160.0000.00816.69
8.0.150.0000.00816.71
8.0.140.0000.00716.67
8.0.130.0030.00313.21
8.0.120.0040.00416.77
8.0.110.0050.00316.82
8.0.100.0020.00516.62
8.0.90.0050.00316.72
8.0.80.0090.00616.69
8.0.70.0040.00416.70
8.0.60.0080.00016.64
8.0.50.0040.00416.79
8.0.30.0110.00817.18
8.0.20.0130.00517.40
8.0.10.0000.00716.77
8.0.00.0090.00916.63
7.4.330.0000.00615.02
7.4.320.0030.00316.46
7.4.300.0030.00316.29
7.4.290.0050.00216.43
7.4.280.0000.00716.40
7.4.270.0000.00716.36
7.4.260.0030.00316.24
7.4.250.0070.00016.28
7.4.240.0030.00316.39
7.4.230.0030.00316.34
7.4.220.0150.00916.52
7.4.210.0050.01116.48
7.4.200.0000.00716.27
7.4.190.0080.00016.59
7.4.160.0070.01416.28
7.4.150.0090.00917.40
7.4.140.0130.00717.86
7.4.130.0110.00616.45
7.4.120.0070.01016.37
7.4.110.0090.00916.30
7.4.100.0110.00716.14
7.4.90.0070.01116.48
7.4.80.0100.01119.39
7.4.70.0080.00816.43
7.4.60.0030.01316.49
7.4.50.0040.00416.26
7.4.40.0040.01522.77
7.4.30.0180.00016.14
7.4.00.0070.01014.45
7.3.330.0000.00513.03
7.3.320.0000.00612.79
7.3.310.0000.00716.04
7.3.300.0000.00616.13
7.3.290.0120.00616.12
7.3.280.0100.00716.10
7.3.270.0150.00317.40
7.3.260.0130.00316.13
7.3.250.0080.00916.45
7.3.240.0090.00716.19
7.3.230.0080.00816.39
7.3.210.0060.01216.33
7.3.200.0120.01219.39
7.3.190.0120.00816.11
7.3.180.0060.00916.35
7.3.170.0070.01316.27
7.3.160.0120.01216.16
7.3.120.0060.00914.36
7.2.330.0070.01116.26
7.2.320.0090.01216.28
7.2.310.0110.00516.31
7.2.300.0060.00916.32
7.2.290.0060.01016.51
7.2.60.0080.00816.37
7.1.200.0040.00815.56
7.1.70.0070.00716.87
7.1.60.0060.01819.46
7.1.50.0000.01116.83
7.1.00.0100.06722.44
7.0.200.0240.00914.88
7.0.140.0070.07322.07
7.0.60.0070.03719.89
7.0.50.0000.09017.82
7.0.40.0000.09020.24
7.0.30.0500.05720.04
7.0.20.0430.06720.30
7.0.10.0100.08020.17
7.0.00.0100.04020.30
5.6.280.0030.07020.92
5.6.210.0070.05720.64
5.6.200.0130.07018.21
5.6.190.0130.03720.63
5.6.180.0470.07020.41
5.6.170.0200.07020.33
5.6.160.0130.05020.47
5.6.150.0070.06018.21
5.6.140.0070.03718.08
5.6.130.0130.06318.18
5.6.120.0130.07720.99
5.6.110.0070.06320.98
5.6.100.0100.08021.02
5.6.90.0130.05321.02
5.6.80.0030.07320.35
5.5.350.4130.04020.31
5.5.340.0170.07017.93
5.5.330.0230.06020.07
5.5.320.0030.08320.34
5.5.310.0270.04320.28
5.5.300.0070.08317.91
5.5.290.0070.08017.91
5.5.280.0000.04720.79
5.5.270.0030.05020.73
5.5.260.0030.07320.86
5.5.250.0100.08720.69
5.5.240.0230.06320.35
5.4.450.3330.04019.20
5.4.440.3430.04319.42
5.4.430.3430.04319.26
5.4.420.3870.03319.48
5.4.410.3400.04319.39
5.4.400.3800.03719.23
5.4.390.3570.05019.08
5.4.380.3500.03718.98
5.4.370.3470.03319.22
5.4.360.3400.03719.15
5.4.350.3200.03719.08
5.4.340.0100.03318.87
5.4.320.2730.03719.14
5.4.310.2930.03718.95
5.4.300.3370.04319.16
5.4.290.3500.04718.85
5.4.280.3330.04019.13
5.4.270.3430.03719.15
5.4.260.3530.03719.15
5.4.250.4270.03719.23
5.4.240.3530.03318.87
5.4.230.3270.04018.84
5.4.220.3200.04319.13
5.4.210.3130.03719.15
5.4.200.3600.03319.05
5.4.190.3970.03319.07
5.4.180.3770.03718.94
5.4.170.3600.03718.93
5.4.160.4130.04018.85
5.4.150.3770.04719.06
5.4.140.3730.03716.47
5.4.130.3570.03316.34
5.4.120.3830.03316.33
5.4.110.3630.02716.45
5.4.100.3730.04016.51
5.4.90.4230.03016.54
5.4.80.3500.03716.20
5.4.70.3800.04316.54
5.4.60.3530.03716.52
5.4.50.3470.03316.54
5.4.40.3470.03316.16
5.4.30.3270.03716.53
5.4.20.3470.03716.34
5.4.10.3530.03316.38
5.4.00.3630.03015.79
5.3.290.2970.04014.62
5.3.280.3470.04014.55
5.3.270.3500.03314.45
5.3.260.4370.03014.54
5.3.250.3630.04014.55
5.3.240.3700.03314.63
5.3.230.3470.03714.45
5.3.220.3500.04014.41
5.3.210.3370.03314.44
5.3.200.3330.03014.55
5.3.190.3570.04314.41
5.3.180.3330.04014.59
5.3.170.4270.02714.41
5.3.160.3770.04714.47
5.3.150.3000.03714.42
5.3.140.3500.04314.64
5.3.130.3530.03714.38
5.3.120.3870.03314.38
5.3.110.3570.03314.60
5.3.100.3700.04013.98
5.3.90.4230.03313.88
5.3.80.3600.03314.11
5.3.70.3270.04013.87
5.3.60.3570.04013.95
5.3.50.3330.04013.82
5.3.40.3330.03313.82
5.3.30.3400.03013.74
5.3.20.3600.03313.53
5.3.10.3670.03713.70
5.3.00.3370.03713.48
5.2.170.3630.03011.15
5.2.160.3730.03011.00
5.2.150.2730.03311.08
5.2.140.3200.03011.08
5.2.130.2730.03010.96
5.2.120.3170.03011.11
5.2.110.2670.03010.96
5.2.100.3400.02711.14
5.2.90.3270.03010.95
5.2.80.3400.03311.18
5.2.70.3630.02710.93
5.2.60.3100.03710.91
5.2.50.2830.02710.86
5.2.40.2170.03011.04
5.2.30.2330.03311.02
5.2.20.2300.03311.13
5.2.10.2630.02310.96
5.2.00.2530.02310.73
5.1.60.2300.0239.91
5.1.50.2730.0239.88
5.1.40.2830.0309.95
5.1.30.2770.02710.30
5.1.20.2300.02310.27
5.1.10.2500.02310.22
5.1.00.2200.0239.94
5.0.50.1370.0278.43
5.0.40.1370.0208.49
5.0.30.1470.0308.17
5.0.20.1500.0178.34
5.0.10.1300.0208.04
5.0.00.1400.0338.27
4.4.90.1470.0106.80
4.4.80.1100.0176.80
4.4.70.1130.0136.80
4.4.60.1300.0206.80
4.4.50.1330.0176.80
4.4.40.1600.0276.80
4.4.30.1300.0176.80
4.4.20.1130.0136.80
4.4.10.1370.0206.80
4.4.00.1470.0276.80
4.3.110.1300.0136.80
4.3.100.1470.0206.80
4.3.90.1130.0136.80
4.3.80.1130.0206.80
4.3.70.1500.0206.80
4.3.60.1630.0136.80
4.3.50.1530.0176.80
4.3.40.1630.0276.80
4.3.30.0830.0236.80
4.3.20.0800.0206.80
4.3.10.0870.0206.80
4.3.00.0800.0176.80

preferences:
72.12 ms | 400 KiB | 5 Q