3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = "bar"; var_dump(empty($foo['hello there']));

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)
8.3.70.0070.01016.63
8.3.60.0110.00718.17
8.3.50.0120.00521.98
8.3.40.0120.00318.42
8.3.30.0070.00718.87
8.3.20.0070.00020.16
8.3.10.0080.00023.66
8.3.00.0030.00619.01
8.2.180.0170.00316.38
8.2.170.0070.00722.96
8.2.160.0090.00620.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00419.23
8.2.110.0060.00320.46
8.2.100.0000.01117.91
8.2.90.0040.00419.26
8.2.80.0000.00917.97
8.2.70.0000.01017.63
8.2.60.0060.00317.93
8.2.50.0060.00318.07
8.2.40.0000.00818.16
8.2.30.0000.00718.24
8.2.20.0040.00417.78
8.2.10.0000.00817.96
8.2.00.0000.00819.41
8.1.280.0070.00725.92
8.1.270.0080.00021.94
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0000.00921.99
8.1.230.0090.00323.81
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.11
8.1.190.0080.00017.13
8.1.180.0040.00418.10
8.1.170.0000.00818.34
8.1.160.0000.00722.03
8.1.150.0040.00418.61
8.1.140.0050.00217.38
8.1.130.0000.00717.74
8.1.120.0030.00517.42
8.1.110.0000.00817.27
8.1.100.0070.00017.45
8.1.90.0070.00017.29
8.1.80.0040.00417.37
8.1.70.0030.00317.38
8.1.60.0000.00817.37
8.1.50.0040.00417.32
8.1.40.0040.00417.50
8.1.30.0040.00417.58
8.1.20.0000.00717.41
8.1.10.0070.00017.46
8.1.00.0000.00817.47
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.41
8.0.270.0030.00317.22
8.0.260.0000.00718.38
8.0.250.0070.00016.82
8.0.240.0040.00416.88
8.0.230.0040.00416.87
8.0.220.0030.00316.66
8.0.210.0030.00316.73
8.0.200.0000.00616.86
8.0.190.0030.00516.86
8.0.180.0040.00416.77
8.0.170.0080.00016.75
8.0.160.0000.00716.92
8.0.150.0030.00716.85
8.0.140.0000.00816.69
8.0.130.0030.00313.24
8.0.120.0000.00816.68
8.0.110.0000.00716.79
8.0.100.0040.00416.84
8.0.90.0000.00716.80
8.0.80.0060.01016.81
8.0.70.0040.00416.71
8.0.60.0070.00016.82
8.0.50.0000.00716.81
8.0.30.0130.00617.10
8.0.20.0090.00917.40
8.0.10.0000.00816.80
8.0.00.0090.00916.71
7.4.330.0000.00615.01
7.4.320.0060.00316.41
7.4.300.0060.00016.58
7.4.290.0070.00016.44
7.4.280.0070.00016.40
7.4.270.0070.00016.50
7.4.260.0030.00316.46
7.4.250.0000.00816.30
7.4.240.0050.00316.40
7.4.230.0070.00016.43
7.4.220.0070.01016.36
7.4.210.0110.00716.64
7.4.200.0040.00416.28
7.4.160.0000.01516.54
7.4.150.0070.01017.40
7.4.140.0070.01017.86
7.4.130.0080.00816.37
7.4.120.0100.00816.36
7.4.110.0140.00816.32
7.4.100.0100.00716.42
7.4.90.0080.00816.32
7.4.80.0070.01119.39
7.4.70.0140.01416.47
7.4.60.0040.01716.43
7.4.50.0000.00816.29
7.4.40.0030.01316.45
7.4.30.0110.00416.52
7.4.00.0050.00814.86
7.3.330.0020.00213.12
7.3.320.0020.00213.09
7.3.310.0000.00716.33
7.3.300.0040.00416.17
7.3.290.0120.00416.20
7.3.280.0070.01216.23
7.3.270.0040.01217.40
7.3.260.0080.00816.21
7.3.250.0130.01116.28
7.3.240.0100.00616.49
7.3.230.0060.01016.42
7.3.210.0130.00316.48
7.3.200.0130.00819.39
7.3.190.0100.00616.08
7.3.180.0100.01016.22
7.3.170.0130.00316.46
7.3.160.0090.00616.13
7.3.120.0080.00814.80
7.3.110.0090.00914.79
7.3.100.0070.01114.60
7.3.90.0000.01514.57
7.3.80.0070.00714.50
7.3.70.0000.01614.79
7.3.60.0030.00714.39
7.3.50.0040.01114.35
7.3.40.0000.01014.54
7.3.30.0090.00614.64
7.3.20.0090.00916.33
7.3.10.0080.00716.46
7.3.00.0030.00616.26
7.2.330.0100.00716.49
7.2.320.0140.01416.60
7.2.310.0030.01316.27
7.2.300.0100.00716.41
7.2.290.0060.00916.65
7.2.250.0100.01014.78
7.2.240.0070.01015.11
7.2.230.0070.01014.56
7.2.220.0060.00614.90
7.2.210.0000.01515.07
7.2.200.0100.00714.80
7.2.190.0110.00614.83
7.2.180.0030.00614.82
7.2.170.0120.00314.92
7.2.130.0030.01416.61
7.2.120.0070.00316.57
7.2.110.0060.01016.87
7.2.100.0070.00716.91
7.2.90.0000.01116.73
7.2.80.0090.00616.70
7.2.70.0090.00316.68
7.2.60.0060.00916.48
7.2.50.0070.01016.91
7.2.40.0060.01316.75
7.2.30.0030.01516.36
7.2.20.0100.00716.86
7.2.10.0130.00316.76
7.2.00.0080.01217.48
7.1.330.0040.01115.54
7.1.320.0060.00915.82
7.1.310.0030.00615.60
7.1.300.0040.01215.61
7.1.290.0040.00715.49
7.1.280.0120.00315.70
7.1.270.0040.01415.41
7.1.260.0030.01015.75
7.1.250.0110.00415.52
7.1.200.0070.00715.79
7.1.100.0030.00517.77
7.1.70.0040.00416.82
7.1.60.0170.00719.70
7.1.50.0160.00616.86
7.1.00.0070.07322.30
7.0.200.0030.00616.73
7.0.140.0070.07021.99
7.0.60.0070.07321.84
7.0.50.0070.03717.86
7.0.40.0130.07720.27
7.0.30.0270.04720.09
7.0.20.0370.05720.00
7.0.10.0030.06320.26
7.0.00.0100.04720.03
5.6.280.0070.07020.80
5.6.210.0270.06320.66
5.6.200.0100.03718.18
5.6.190.0030.06020.60
5.6.180.0300.08320.57
5.6.170.0270.08020.57
5.6.160.0000.05320.54
5.6.150.0000.04318.20
5.6.140.0030.04018.20
5.6.130.0030.08318.14
5.6.120.0170.04021.04
5.6.110.0070.09320.95
5.6.100.0100.04720.96
5.6.90.0000.04321.00
5.6.80.0130.07320.28
5.5.350.0330.07020.38
5.5.340.0100.04717.96
5.5.330.0100.07720.19
5.5.320.0370.04020.32
5.5.310.0270.07320.31
5.5.300.0000.04318.01
5.5.290.0070.07718.00
5.5.280.0170.07020.87
5.5.270.0100.07320.88
5.5.260.0030.08720.75
5.5.250.0070.08020.49
5.5.240.0130.06320.35
5.4.450.0070.07719.25
5.4.440.3530.04019.39
5.4.430.4100.03719.45
5.4.420.4300.04019.18
5.4.410.3530.04019.32
5.4.400.0070.05019.00
5.4.390.3930.03719.18
5.4.380.4000.03319.26
5.4.370.4670.02719.16
5.4.360.4630.04019.07
5.4.350.4230.03719.16
5.4.340.4230.04319.06
5.4.320.3570.03719.16
5.4.310.3800.02319.04
5.4.300.4130.03719.02
5.4.290.3770.04019.15
5.4.280.4170.04019.14
5.4.270.4670.03019.17
5.4.260.3700.03319.06
5.4.250.4100.03719.12
5.4.240.3900.04018.96
5.4.230.4030.03719.03
5.4.220.4270.03018.91
5.4.210.4000.03718.88
5.4.200.3270.03319.15
5.4.190.3870.04019.03
5.4.180.3700.03719.15
5.4.170.3830.03019.05
5.4.160.3830.03719.18
5.4.150.3670.04019.02
5.4.140.3330.04016.42
5.4.130.4070.03716.31
5.4.120.4370.03316.38
5.4.110.4500.03716.50
5.4.100.3600.04016.35
5.4.90.3630.03716.41
5.4.80.3600.04016.37
5.4.70.3330.03716.30
5.4.60.3630.03716.43
5.4.50.3630.03316.14
5.4.40.3730.03716.39
5.4.30.3330.03316.35
5.4.20.3570.03016.46
5.4.10.4070.04016.32
5.4.00.3570.03315.70
5.3.290.3530.04014.67
5.3.280.3930.03314.55
5.3.270.3200.03714.57
5.3.260.3800.03014.58
5.3.250.4400.04014.57
5.3.240.4130.03314.50
5.3.230.3830.03714.52
5.3.220.4200.03314.48
5.3.210.4570.03714.48
5.3.200.4330.04314.49
5.3.190.3300.03714.38
5.3.180.4100.04314.50
5.3.170.3300.03314.43
5.3.160.3370.03714.49
5.3.150.3700.03714.38
5.3.140.3670.03714.37
5.3.130.3700.03714.46
5.3.120.3670.03014.52
5.3.110.3600.03714.33
5.3.100.4100.03713.82
5.3.90.3500.03013.96
5.3.80.3930.02713.95
5.3.70.3930.04013.95
5.3.60.3730.03313.94
5.3.50.3530.03313.88
5.3.40.4300.03313.73
5.3.30.4470.04313.86
5.3.20.4370.04013.66
5.3.10.3630.03313.58
5.3.00.4200.03313.45
5.2.170.3630.02711.11
5.2.160.3830.03011.09
5.2.150.3500.03311.31
5.2.140.3530.03011.04
5.2.130.3230.03011.03
5.2.120.3200.03311.17
5.2.110.2730.02710.98
5.2.100.3800.03011.02
5.2.90.4000.02311.06
5.2.80.3830.03010.96
5.2.70.3870.03011.02
5.2.60.3930.02311.04
5.2.50.3570.02710.95
5.2.40.3130.02710.87
5.2.30.2830.02710.97
5.2.20.2800.02710.96
5.2.10.3400.03010.86
5.2.00.2430.03010.70
5.1.60.0030.0509.91
5.1.50.0070.05310.06
5.1.40.0030.05310.05
5.1.30.0000.04310.36
5.1.20.2530.02310.22
5.1.10.3300.02310.14
5.1.00.3270.0239.90
5.0.50.1800.0238.50
5.0.40.1770.0208.42
5.0.30.1830.0278.23
5.0.20.1730.0208.21
5.0.10.1900.0108.11
5.0.00.1530.0278.11
4.4.90.1770.0175.93
4.4.80.1730.0205.93
4.4.70.1300.0175.93
4.4.60.1630.0205.93
4.4.50.1470.0135.93
4.4.40.0000.0335.93
4.4.30.0000.0335.93
4.4.20.1630.0175.93
4.4.10.1830.0135.96
4.4.00.1870.0235.93
4.3.110.1830.0175.93
4.3.100.1500.0205.93
4.3.90.1770.0175.93
4.3.80.1770.0275.93
4.3.70.1800.0175.93
4.3.60.1800.0175.93
4.3.50.1830.0105.93
4.3.40.1800.0235.93
4.3.30.0700.0175.93
4.3.20.1000.0275.93
4.3.10.0970.0235.93
4.3.00.0830.0135.93

preferences:
48.15 ms | 401 KiB | 5 Q