3v4l.org

run code in 300+ PHP versions simultaneously
<?php $TEST = ""; if ($TEST.is_null()) echo "true"; else echo "false";

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)
8.3.60.0110.00418.43
8.3.50.0090.00921.08
8.3.40.0120.00318.79
8.3.30.0120.00318.71
8.3.20.0050.00318.77
8.3.10.0050.00320.69
8.3.00.0050.00323.68
8.2.180.0110.00716.50
8.2.170.0150.00622.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00819.26
8.2.110.0060.00320.33
8.2.100.0060.00617.83
8.2.90.0000.00819.09
8.2.80.0000.00817.97
8.2.70.0000.00817.38
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0000.00818.08
8.2.30.0030.00617.91
8.2.20.0000.00717.65
8.2.10.0030.00517.64
8.2.00.0030.00517.81
8.1.280.0060.01125.92
8.1.270.0030.00723.99
8.1.260.0110.00726.35
8.1.250.0070.00028.09
8.1.240.0050.00522.47
8.1.230.0060.00620.91
8.1.220.0090.00018.77
8.1.210.0040.00418.91
8.1.200.0070.00317.35
8.1.190.0040.00417.52
8.1.180.0040.00418.10
8.1.170.0000.00718.51
8.1.160.0040.00418.82
8.1.150.0000.00718.61
8.1.140.0030.00617.40
8.1.130.0040.00417.76
8.1.120.0020.00517.40
8.1.110.0050.00317.31
8.1.100.0040.00417.39
8.1.90.0050.00217.38
8.1.80.0070.00017.38
8.1.70.0000.00717.38
8.1.60.0030.00617.44
8.1.50.0070.00017.48
8.1.40.0070.00017.44
8.1.30.0050.00217.57
8.1.20.0040.00417.60
8.1.10.0050.00317.66
8.1.00.0000.00717.48
8.0.300.0060.00319.90
8.0.290.0060.00317.16
8.0.280.0000.00718.34
8.0.270.0070.00017.14
8.0.260.0000.00616.72
8.0.250.0000.00716.89
8.0.240.0070.00316.94
8.0.230.0000.00616.95
8.0.220.0000.00716.76
8.0.210.0040.00416.89
8.0.200.0080.00016.94
8.0.190.0000.00816.99
8.0.180.0000.00716.89
8.0.170.0060.00316.77
8.0.160.0070.00016.86
8.0.150.0040.00416.85
8.0.140.0000.00716.75
8.0.130.0000.00513.30
8.0.120.0080.00016.81
8.0.110.0000.00716.93
8.0.100.0030.00616.87
8.0.90.0030.00516.93
8.0.80.0090.00916.82
8.0.70.0000.00716.75
8.0.60.0050.00216.85
8.0.50.0030.00517.00
8.0.30.0130.00917.16
8.0.20.0120.01217.40
8.0.10.0040.00416.90
8.0.00.0120.01016.70
7.4.330.0000.00514.63
7.4.320.0040.00416.52
7.4.300.0030.00316.43
7.4.290.0000.00616.45
7.4.280.0000.00716.51
7.4.270.0030.00316.39
7.4.260.0050.00013.32
7.4.250.0040.00416.55
7.4.240.0000.00716.46
7.4.230.0030.00316.50
7.4.220.0030.00416.41
7.4.210.0100.00616.50
7.4.200.0000.00716.28
7.4.190.0000.00716.44
7.4.160.0070.01016.46
7.4.150.0000.01817.40
7.4.140.0110.00817.86
7.4.130.0040.01416.46
7.4.120.0050.01216.46
7.4.110.0030.01416.38
7.4.100.0140.00616.52
7.4.90.0090.00916.34
7.4.80.0110.00619.04
7.4.70.0120.01016.44
7.4.60.0140.00316.51
7.4.50.0000.00416.41
7.4.40.0080.00722.27
7.4.30.0120.01216.43
7.4.00.0030.01014.71
7.3.330.0000.00513.10
7.3.320.0050.00012.98
7.3.310.0030.00316.20
7.3.300.0040.00416.25
7.3.290.0040.01116.15
7.3.280.0080.00816.29
7.3.270.0080.00817.40
7.3.260.0110.01218.24
7.3.250.0100.01016.45
7.3.240.0100.00716.21
7.3.230.0100.00716.39
7.3.210.0100.00716.55
7.3.200.0130.00419.39
7.3.190.0110.00716.45
7.3.180.0090.01216.48
7.3.170.0040.01216.28
7.3.160.0070.01016.43
7.3.120.0030.01414.99
7.2.330.0110.01116.35
7.2.320.0070.01116.65
7.2.310.0190.00016.62
7.2.300.0150.00016.56
7.2.290.0100.00716.66
7.2.60.0040.01216.56
7.2.00.0040.01119.39
7.1.200.0060.00615.52
7.1.100.0030.00918.00
7.1.70.0000.00717.02
7.1.60.0100.01319.40
7.1.50.0030.00716.73
7.1.00.0030.08322.34
7.0.200.0030.00716.47
7.0.140.0030.07321.92
7.0.60.0100.07019.98
7.0.50.0070.04717.85
7.0.40.0100.08719.96
7.0.30.0370.06320.21
7.0.20.0100.05020.13
7.0.10.0270.05320.20
7.0.00.0170.06720.20
5.6.280.0070.07021.09
5.6.210.0070.08020.66
5.6.200.0200.06718.12
5.6.190.0030.05320.63
5.6.180.0330.05720.56
5.6.170.0270.05720.51
5.6.160.0000.05320.41
5.6.150.0100.05018.22
5.6.140.0000.05018.11
5.6.130.0030.05018.16
5.6.120.0000.04721.11
5.6.110.0130.07721.00
5.6.100.0070.05320.88
5.6.90.0100.07021.07
5.6.80.0130.07020.28
5.6.70.0230.06720.36
5.5.350.2370.03320.40
5.5.340.0230.06717.91
5.5.330.0100.07020.15
5.5.320.0330.07720.15
5.5.310.0270.08320.30
5.5.300.0070.08017.91
5.5.290.0100.06018.01
5.5.280.0100.06720.96
5.5.270.0070.07020.71
5.5.260.0130.07320.67
5.5.250.0030.04320.57
5.5.240.0100.08020.11
5.4.450.0070.07719.19
5.4.440.3170.04319.31
5.4.430.3700.03319.31
5.4.420.3030.03719.31
5.4.410.0070.07319.18
5.4.400.4400.03718.96
5.4.390.5100.04718.86
5.4.380.4330.03318.79
5.4.370.3670.04019.11
5.4.360.3570.03718.81
5.4.350.3330.04018.83
5.4.340.3500.04019.07
5.4.320.3070.04018.78
5.4.310.3070.04019.08
5.4.300.3370.03318.91
5.4.290.4030.03719.08
5.4.280.3630.04319.06
5.4.270.3430.04018.91
5.4.260.3700.03718.96
5.4.250.3300.04019.08
5.4.240.3930.04318.95
5.4.230.3300.05318.85
5.4.220.3900.03718.80
5.4.210.3300.03718.98
5.4.200.4400.03318.80
5.4.190.4030.04318.85
5.4.180.4030.04018.98
5.4.170.4230.04719.07
5.4.160.4000.03719.04
5.4.150.4330.03319.06
5.4.140.4330.03316.44
5.4.130.4330.03316.53
5.4.120.4230.04016.25
5.4.110.4400.03316.40
5.4.100.4230.04016.42
5.4.90.4300.03716.34
5.4.80.3830.04016.37
5.4.70.3530.03716.37
5.4.60.3700.03016.36
5.4.50.4330.03716.36
5.4.40.3600.03316.16
5.4.30.3400.02716.39
5.4.20.3930.04316.16
5.4.10.3500.03716.20
5.4.00.3400.04015.79
5.3.290.3500.03714.59
5.3.280.3730.03314.43
5.3.270.4300.03714.64
5.3.260.4070.03014.55
5.3.250.4100.04014.64
5.3.240.4200.04014.43
5.3.230.4300.03714.53
5.3.220.3800.03314.51
5.3.210.4330.03314.39
5.3.200.4300.03714.54
5.3.190.3670.03714.40
5.3.180.3930.03314.51
5.3.170.3570.03314.64
5.3.160.3770.03314.46
5.3.150.3730.03714.50
5.3.140.3500.05314.64
5.3.130.3470.04014.38
5.3.120.3400.04314.37
5.3.110.3730.04014.48
5.3.100.3800.03713.94
5.3.90.3500.03013.93
5.3.80.3770.03714.06
5.3.70.3070.03314.05
5.3.60.3600.03714.05
5.3.50.4170.03314.03
5.3.40.3900.03713.99
5.3.30.3600.03313.95
5.3.20.3770.03713.55
5.3.10.3370.03313.43
5.3.00.3100.04313.72
5.2.170.3670.02711.00
5.2.160.3600.03311.00
5.2.150.3400.03311.05
5.2.140.3030.03311.08
5.2.130.3100.03010.94
5.2.120.3300.03011.00
5.2.110.3170.03010.98
5.2.100.2900.03010.94
5.2.90.3070.03311.12
5.2.80.3200.03711.11
5.2.70.3000.03311.20
5.2.60.3600.02710.91
5.2.50.2800.02710.95
5.2.40.3030.03311.08
5.2.30.2970.03010.83
5.2.20.2470.03710.90
5.2.10.0030.05010.77
5.2.00.0030.06310.61
5.1.60.0130.0379.96
5.1.50.0130.02710.08
5.1.40.3070.0279.86
5.1.30.3070.02310.30
5.1.20.3100.02710.31
5.1.10.3030.0339.95
5.1.00.3000.02710.22
5.0.50.1770.0238.66
5.0.40.1700.0208.34
5.0.30.1730.0338.38
5.0.20.1570.0208.42
5.0.10.1800.0238.39
5.0.00.1770.0238.30
4.4.90.1330.0175.82
4.4.80.1670.0175.81
4.4.70.1570.0175.77
4.4.60.1470.0135.83
4.4.50.0130.0275.84
4.4.40.0000.0335.81
4.4.30.0970.0205.83
4.4.20.1600.0175.86
4.4.10.1700.0135.85
4.4.00.1630.0205.89
4.3.110.1370.0175.82
4.3.100.1400.0135.71
4.3.90.1700.0135.72
4.3.80.1670.0235.73
4.3.70.1330.0175.67
4.3.60.1430.0175.79
4.3.50.1770.0135.82
4.3.40.1430.0235.65
4.3.30.0700.0175.63
4.3.20.0830.0175.63
4.3.10.0930.0275.63
4.3.00.0900.0235.63

preferences:
37.71 ms | 401 KiB | 5 Q