3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = NULL; $test2 = array(); echo empty($test2) ? 'yes1' : 'no1'; $test3 = serialize($test2); echo $test3.PHP_EOL; echo empty(unserialize($test)) ? 'Yes'.PHP_EOL : 'No'.PHP_EOL;

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)
8.3.60.0120.00618.31
8.3.50.0100.01021.96
8.3.40.0140.00318.66
8.3.30.0140.00019.00
8.3.20.0070.00020.46
8.3.10.0000.00821.60
8.3.00.0050.00319.26
8.2.180.0090.00918.29
8.2.170.0100.01022.96
8.2.160.0060.00920.38
8.2.150.0060.00324.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0080.00019.36
8.2.110.0060.00320.41
8.2.100.0110.00017.91
8.2.90.0040.00417.63
8.2.80.0050.00317.97
8.2.70.0030.00517.93
8.2.60.0050.00317.93
8.2.50.0060.00318.10
8.2.40.0000.00820.54
8.2.30.0070.00017.92
8.2.20.0030.00517.73
8.2.10.0040.00418.12
8.2.00.0000.00717.80
8.1.280.0110.00725.92
8.1.270.0060.00318.72
8.1.260.0080.00026.35
8.1.250.0030.01028.09
8.1.240.0060.00320.68
8.1.230.0080.00620.95
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0040.00817.35
8.1.190.0030.00617.10
8.1.180.0030.00518.10
8.1.170.0000.00918.55
8.1.160.0020.00521.90
8.1.150.0040.00418.79
8.1.140.0040.00417.41
8.1.130.0000.00717.73
8.1.120.0050.00517.36
8.1.110.0070.00017.36
8.1.100.0000.00817.45
8.1.90.0030.00317.41
8.1.80.0000.00717.33
8.1.70.0030.00317.44
8.1.60.0040.00417.56
8.1.50.0040.00417.43
8.1.40.0000.00717.48
8.1.30.0080.00017.61
8.1.20.0040.00417.51
8.1.10.0000.00817.36
8.1.00.0050.00317.27
8.0.300.0000.00719.98
8.0.290.0040.00416.75
8.0.280.0030.00318.45
8.0.270.0000.00717.12
8.0.260.0060.00017.18
8.0.250.0040.00416.86
8.0.240.0070.00016.95
8.0.230.0020.00516.95
8.0.220.0030.00316.87
8.0.210.0040.00416.84
8.0.200.0030.00316.89
8.0.190.0080.00017.00
8.0.180.0000.00816.92
8.0.170.0040.00416.83
8.0.160.0040.00416.83
8.0.150.0040.00416.83
8.0.140.0040.00316.84
8.0.130.0040.00413.37
8.0.120.0040.00416.76
8.0.110.0000.00916.85
8.0.100.0080.00016.78
8.0.90.0040.00416.87
8.0.80.0000.01516.78
8.0.70.0000.00716.75
8.0.60.0040.00416.75
8.0.50.0040.00416.95
8.0.30.0090.00817.18
8.0.20.0070.01117.40
8.0.10.0050.00316.88
8.0.00.0150.00316.80
7.4.330.0000.00515.09
7.4.320.0000.00616.52
7.4.300.0000.00616.51
7.4.290.0060.00016.59
7.4.280.0040.00416.49
7.4.270.0040.00416.51
7.4.260.0000.00716.52
7.4.250.0000.00716.35
7.4.240.0030.00316.45
7.4.230.0030.00316.50
7.4.220.0070.01016.35
7.4.210.0050.01216.50
7.4.200.0030.00316.45
7.4.160.0100.00616.35
7.4.150.0110.00617.40
7.4.140.0140.00617.86
7.4.130.0140.00216.54
7.4.120.0110.00716.43
7.4.110.0140.00316.32
7.4.100.0180.00316.54
7.4.90.0100.00716.43
7.4.80.0030.01519.39
7.4.70.0080.00816.48
7.4.60.0120.00316.45
7.4.50.0000.00816.52
7.4.40.0120.00316.59
7.4.30.0070.01016.50
7.4.00.0000.01515.11
7.3.330.0020.00412.99
7.3.320.0080.00413.13
7.3.310.0040.00416.25
7.3.300.0000.00616.22
7.3.290.0060.00016.23
7.3.280.0110.00616.19
7.3.270.0250.02517.40
7.3.260.0090.00916.53
7.3.250.0100.00916.15
7.3.240.0110.00716.28
7.3.230.0220.00016.39
7.3.210.0160.00316.42
7.3.200.0160.00419.39
7.3.190.0040.01216.50
7.3.180.0030.01216.40
7.3.170.0080.00816.27
7.3.160.0060.01816.30
7.2.330.0070.01016.80
7.2.320.0060.01516.59
7.2.310.0090.01216.52
7.2.300.0110.01116.44
7.2.290.0030.01416.71
7.2.00.0060.00619.45
7.1.100.0000.01218.24
7.1.70.0000.01017.05
7.1.60.0150.00319.50
7.1.50.0070.01716.95
7.1.00.0100.07022.24
7.0.200.0100.01014.70
7.0.140.0070.07021.95
7.0.60.0170.07720.00
7.0.50.0030.05717.91
7.0.40.0030.05320.06
7.0.30.0130.04720.32
7.0.20.0370.07720.21
7.0.10.0300.07320.16
7.0.00.0070.05320.19
5.6.280.0030.07321.04
5.6.210.0070.03720.64
5.6.200.0070.08318.12
5.6.190.0030.04720.60
5.6.180.0230.04020.32
5.6.170.0270.06720.48
5.6.160.0030.04320.52
5.6.150.0030.04718.18
5.6.140.0130.07718.13
5.6.130.0000.05018.07
5.6.120.0070.05021.00
5.6.110.0030.08020.99
5.6.100.0200.07021.04
5.6.90.0070.05721.09
5.6.80.0070.03720.53
5.6.70.0300.07020.52
5.5.350.0200.08320.40
5.5.340.0100.06317.93
5.5.330.0070.08320.23
5.5.320.0070.04320.21
5.5.310.0370.05320.39
5.5.300.0070.08317.92
5.5.290.0200.05717.93
5.5.280.0030.04720.97
5.5.270.0100.05020.88
5.5.260.0070.08020.79
5.5.250.0030.09020.57
5.5.240.0070.07020.16
5.4.450.0670.07319.11
5.4.440.0730.05019.43
5.4.430.0970.05719.59
5.4.420.1030.05319.58
5.4.410.0070.06018.72
5.4.400.1100.05718.69
5.4.390.1000.05718.75
5.4.380.1070.05318.59
5.4.370.1170.06718.66
5.4.360.1230.04718.53
5.4.350.1100.06318.78
5.4.340.1270.04318.68
5.4.320.1300.06018.77
5.4.310.1230.06718.59
5.4.300.1130.05718.66
5.4.290.1130.06018.61
5.4.280.1370.06318.52
5.4.270.1270.06718.77
5.4.260.1330.05318.52
5.4.250.1170.07018.61
5.4.240.1130.05018.52
5.4.230.1000.05718.45
5.4.220.1330.06018.71
5.4.210.1300.06018.55
5.4.200.1170.07016.66
5.4.190.1200.06718.66
5.4.180.1170.06318.71
5.4.170.1000.05018.70
5.4.160.1300.05318.70
5.4.150.1130.05718.68
5.4.140.1300.05316.14
5.4.130.1270.04316.06
5.4.120.1530.06316.28
5.4.110.1170.06716.26
5.4.100.1170.04716.16
5.4.90.1000.05716.22
5.4.80.1130.04316.18
5.4.70.1030.06716.22
5.4.60.1130.04716.14
5.4.50.1170.06016.28
5.4.40.1070.05016.24
5.4.30.1130.04716.13
5.4.20.1070.05716.18
5.4.10.1430.06016.27
5.4.00.0970.05715.71
5.3.290.0900.07314.57
5.3.280.1100.05014.55
5.3.270.1330.06714.61
5.3.260.1000.07314.51
5.3.250.1270.02314.49
5.3.240.1030.04714.58
5.3.230.0970.05314.55
5.3.220.1130.06714.49
5.3.210.1200.06714.48
5.3.200.1000.05714.66
5.3.190.1000.06014.66
5.3.180.1170.05314.66
5.3.170.1370.05714.47
5.3.160.1130.05014.55
5.3.150.1100.07714.59
5.3.140.1200.06714.46
5.3.130.1200.06314.59
5.3.120.1030.05014.63
5.3.110.1130.06314.52
5.3.100.1200.05014.02
5.3.90.1170.06014.11
5.3.80.1200.05313.95
5.3.70.1070.05713.95
5.3.60.1100.06014.01
5.3.50.1370.06713.93
5.3.40.1500.05713.93
5.3.30.1070.04713.93
5.3.20.1070.05013.66
5.3.10.1200.05313.69
5.3.00.1100.07313.62
5.2.170.0830.04311.06
5.2.160.1030.04311.20
5.2.150.0930.06011.18
5.2.140.1000.04711.20
5.2.130.1300.05711.18
5.2.120.1000.04311.13
5.2.110.0970.04311.13
5.2.100.1030.03711.05
5.2.90.1270.05311.16
5.2.80.1070.05011.14
5.2.70.0930.03711.15
5.2.60.0900.04011.08
5.2.50.0930.06011.00
5.2.40.0670.04311.03
5.2.30.0730.05011.00
5.2.20.0830.04311.07
5.2.10.0770.04710.81
5.2.00.0900.04010.70
5.1.60.0870.0379.99
5.1.50.0700.0379.98
5.1.40.0930.03010.02
5.1.30.0730.04010.43
5.1.20.0670.04710.38
5.1.10.0630.04710.09
5.1.00.0800.03310.13
5.0.50.0400.0378.56
5.0.40.0430.0238.50
5.0.30.0400.0478.20
5.0.20.0370.0338.28
5.0.10.0430.0278.20
5.0.00.0430.0408.19
4.4.90.0570.0235.94
4.4.80.0530.0135.81
4.4.70.0400.0205.82
4.4.60.0470.0175.92
4.4.50.0430.0205.88
4.4.40.0370.0375.90
4.4.30.0470.0175.86
4.4.20.0370.0275.93
4.4.10.0470.0235.98
4.4.00.0470.0475.94
4.3.110.0430.0305.84
4.3.100.0470.0175.85
4.3.90.0470.0205.84
4.3.80.0400.0305.77
4.3.70.0370.0205.91
4.3.60.0370.0235.84
4.3.50.0400.0275.89
4.3.40.0400.0335.88
4.3.30.0170.0274.57
4.3.20.0230.0204.57
4.3.10.0230.0204.59
4.3.00.0130.0236.63

preferences:
54.61 ms | 401 KiB | 5 Q