3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo isset(null);

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)
8.0.110.0040.00416.79
8.0.100.0050.00316.84
8.0.90.0030.00616.79
8.0.80.0000.00816.82
8.0.70.0030.00616.63
8.0.60.0030.00516.82
8.0.50.0090.00016.68
8.0.30.0030.00616.86
8.0.20.0030.00516.83
8.0.10.0040.00416.92
8.0.00.0100.00717.60
7.4.240.0040.00416.38
7.4.230.0030.00616.48
7.4.220.0080.00016.51
7.4.210.0030.00516.31
7.4.200.0000.00716.36
7.4.190.0050.00316.36
7.4.180.0040.00416.54
7.4.160.0070.00016.45
7.4.150.0000.00716.29
7.4.140.0080.00717.21
7.4.130.0110.00517.20
7.4.120.0090.00817.17
7.4.110.0070.00817.28
7.4.100.0090.00717.31
7.4.90.0080.00917.27
7.4.80.0130.00517.26
7.4.70.0120.00517.26
7.4.60.0090.00717.25
7.4.50.0070.00717.25
7.4.40.0030.01217.21
7.4.30.0100.00517.23
7.4.20.0100.00717.25
7.4.10.0140.00317.27
7.4.00.0070.00917.30
7.3.310.0000.00916.12
7.3.300.0000.00816.25
7.3.290.0080.00016.12
7.3.280.0080.00016.23
7.3.270.0030.00316.05
7.3.260.0080.00617.25
7.3.250.0090.00717.21
7.3.240.0060.01017.25
7.3.230.0100.00617.28
7.3.220.0090.00717.11
7.3.210.0090.00417.10
7.3.200.0110.00517.09
7.3.190.0090.00717.09
7.3.180.0080.00417.11
7.3.170.0070.00517.09
7.3.160.0100.00617.21
7.3.150.0140.00217.10
7.3.140.0080.00717.20
7.3.130.0080.01017.21
7.3.120.0180.00517.16
7.3.110.0120.01117.07
7.3.100.0070.00717.07
7.3.90.0070.00617.23
7.3.80.0060.00817.18
7.3.70.0120.00917.26
7.3.60.0100.01117.30
7.3.50.0180.00617.17
7.3.40.0150.00517.31
7.3.30.0180.00517.19
7.3.20.0090.01417.17
7.3.10.0110.01017.24
7.3.00.0150.00717.18
7.2.340.0080.00617.21
7.2.330.0050.00917.25
7.2.320.0090.00717.26
7.2.310.0060.01017.17
7.2.300.0090.00617.16
7.2.290.0100.00517.17
7.2.280.0080.00517.16
7.2.270.0080.00817.12
7.2.260.0040.01117.15
7.2.250.0070.00817.16
7.2.240.0120.00717.23
7.2.230.0070.00817.23
7.2.220.0070.00817.25
7.2.210.0080.00817.11
7.2.200.0150.00917.21
7.2.190.0160.00917.16
7.2.180.0090.00517.21
7.2.170.0040.01117.26
7.2.160.0120.00317.24
7.2.150.0110.00517.18
7.2.140.0090.01017.36
7.2.130.0090.00817.39
7.2.120.0130.00417.26
7.2.110.0220.00816.39
7.2.100.0250.00516.35
7.2.90.0280.00616.32
7.2.80.0270.00716.43
7.2.70.0130.00616.40
7.2.60.0220.00816.47
7.2.50.0300.00416.50
7.2.40.0310.00616.38
7.2.30.0460.00916.55
7.2.20.0260.00516.44
7.2.10.0350.01016.42
7.2.00.0270.01116.45
7.1.330.0150.00716.73
7.1.320.0120.00916.66
7.1.310.0110.01316.79
7.1.300.0150.00516.83
7.1.290.0190.00516.69
7.1.280.0230.00816.76
7.1.270.0150.00516.75
7.1.260.0180.01016.66
7.1.250.0110.00816.77
7.1.240.0150.00316.70
7.1.230.0270.00815.78
7.1.220.0320.00815.75
7.1.210.0240.00815.72
7.1.200.0320.00915.81
7.1.190.0390.00415.73
7.1.180.0280.00915.62
7.1.170.0320.00815.65
7.1.160.0360.00915.65
7.1.150.0320.00515.62
7.1.140.0360.00315.73
7.1.130.0270.00715.66
7.1.120.0220.00515.63
7.1.110.0200.00715.64
7.1.100.0270.00615.54
7.1.90.0210.00715.56
7.1.80.0210.00815.63
7.1.70.0160.00815.57
7.1.60.0320.00821.70
7.1.50.0290.00721.84
7.1.40.0190.00821.61
7.1.30.0250.00721.52
7.1.20.0290.00621.71
7.1.10.1230.00615.66
7.1.00.0170.00615.71
7.0.330.0130.00816.62
7.0.320.0200.00316.63
7.0.310.0300.00715.50
7.0.300.0340.00715.53
7.0.290.0350.01015.58
7.0.280.0270.00715.50
7.0.270.0260.00915.54
7.0.260.0260.00615.47
7.0.250.0270.00915.55
7.0.240.0230.00915.66
7.0.230.0200.00715.56
7.0.220.0210.00615.53
7.0.210.0250.00615.65
7.0.200.0170.00915.56
7.0.190.0220.00615.60
7.0.180.0170.00715.57
7.0.170.0170.00715.53
7.0.160.0230.00815.54
7.0.150.0200.00515.49
7.0.140.0180.00515.44
7.0.130.0180.00915.65
7.0.120.0180.01015.47
7.0.110.0190.00815.50
7.0.100.0140.01215.48
7.0.90.0220.00415.42
7.0.80.0170.00815.42
7.0.70.0210.00615.43
7.0.60.0140.01215.49
7.0.50.0190.00615.45
7.0.40.0210.00815.62
7.0.30.0190.00615.54
7.0.20.0200.00515.64
7.0.10.0180.00315.58
7.0.00.0150.00715.50
5.6.400.0120.00716.82
5.6.390.0140.00616.81
5.6.380.0160.00515.82
5.6.370.0130.00815.92
5.6.360.0140.00615.95
5.6.350.0110.00815.86
5.6.340.0160.00416.01
5.6.330.0130.01015.90
5.6.320.0170.00315.99
5.6.310.0140.00615.97
5.6.300.0130.00816.00
5.6.290.0160.00616.13
5.6.280.0140.00615.84
5.6.270.0150.00715.93
5.6.260.0130.00715.94
5.6.250.0150.00515.85
5.6.240.0140.00716.05
5.6.230.0120.01015.95
5.6.220.0140.00916.00
5.6.210.0170.00515.88
5.6.200.0120.01116.10
5.6.190.0150.00616.02
5.6.180.0150.00616.02
5.6.170.0130.00915.97
5.6.160.0100.01216.00
5.6.150.0090.01015.98
5.6.140.0080.02916.48
5.6.130.0110.02016.45
5.6.120.0140.01317.18
5.6.110.0100.02917.19
5.6.100.0150.02117.22
5.6.90.0120.02117.18
5.6.80.0080.02617.04
5.6.70.1200.01517.04
5.6.60.0130.00715.95
5.6.50.0110.00915.98
5.6.40.0130.00515.95
5.6.30.0120.00815.82
5.6.20.0120.00815.86
5.6.10.0140.00715.89
5.6.00.0140.00715.95
5.5.380.0110.00814.97
5.5.370.0130.00814.92
5.5.360.0110.00814.88
5.5.350.0120.00714.88
5.5.340.0110.00814.87
5.5.330.0120.00914.74
5.5.320.0180.00414.83
5.5.310.0130.00514.78
5.5.300.0090.02215.57
5.5.290.0070.01715.56
5.5.280.0080.02116.36
5.5.270.0110.01516.39
5.5.260.0120.01216.33
5.5.250.0130.02016.21
5.5.240.0150.02216.11
5.5.230.0150.00414.88
5.5.220.0110.00614.87
5.5.210.0110.00714.83
5.5.200.0100.00914.73
5.5.190.0100.00914.81
5.5.180.0100.00814.77
5.5.170.0160.00415.90
5.5.160.0130.00614.79
5.5.150.0110.00714.84
5.5.140.0080.01014.75
5.5.130.0120.00914.67
5.5.120.0090.01014.61
5.5.110.0160.00314.73
5.5.100.0110.00714.71
5.5.90.0130.00514.80
5.5.80.0100.00714.90
5.5.70.0130.00514.86
5.5.60.0070.01014.88
5.5.50.0130.00514.71
5.5.40.0110.00814.91
5.5.30.0120.00514.86
5.5.20.0120.00614.76
5.5.10.0120.00514.77
5.5.00.0100.00914.75
5.4.450.0300.02916.12
5.4.440.0350.02716.06
5.4.430.0240.02516.07
5.4.420.0230.02616.17
5.4.410.0290.02616.04
5.4.400.0530.03215.91
5.4.390.0360.02915.85
5.4.380.0240.02715.78
5.4.370.0270.02615.86
5.4.360.0260.02215.75
5.4.350.0190.02614.13
5.4.340.0230.02314.10
5.4.330.0150.00113.68
5.4.320.0210.02814.24
5.4.310.0130.03114.21
5.4.300.0200.02514.20
5.4.290.0190.02914.24
5.4.280.0190.02914.25
5.4.270.0160.02914.24
5.4.260.0190.03014.24
5.4.250.0220.02414.16
5.4.240.0190.02514.20
5.4.230.0200.02514.19
5.4.220.0200.03114.16
5.4.210.0230.02414.15
5.4.200.0210.02414.17
5.4.190.0200.02714.23
5.4.180.0200.02814.17
5.4.170.0260.02814.20
5.4.160.0250.02914.17
5.4.150.0160.02914.22
5.4.140.0180.02613.72
5.4.130.0210.02413.71
5.4.120.0210.02513.61
5.4.110.0170.02513.66
5.4.100.0160.02413.61
5.4.90.0160.02513.59
5.4.80.0160.02813.73
5.4.70.0180.03013.69
5.4.60.0180.03013.61
5.4.50.0190.02313.67
5.4.40.0170.02613.61
5.4.30.0190.02813.68
5.4.20.0200.02613.60
5.4.10.0160.02613.66
5.4.00.0150.02313.35
5.3.290.0070.03113.54
5.3.280.0110.02913.52
5.3.270.0100.02713.48
5.3.260.0160.02613.52
5.3.250.0120.02613.52
5.3.240.0120.02613.51
5.3.230.0130.02513.49
5.3.220.0120.02413.46
5.3.210.0120.02513.46
5.3.200.0100.02813.52
5.3.190.0140.02513.50
5.3.180.0100.02913.51
5.3.170.0120.02813.51
5.3.160.0100.03213.58
5.3.150.0110.02713.54
5.3.140.0110.02713.47
5.3.130.0100.02613.52
5.3.120.0130.02413.45
5.3.110.0120.02713.47
5.3.100.0110.02413.26
5.3.90.0100.02513.19
5.3.80.0100.02613.18
5.3.70.0080.02713.21
5.3.60.0090.02513.24
5.3.50.0120.02313.16
5.3.40.0090.02713.16
5.3.30.0120.02513.12
5.3.20.0100.02613.04
5.3.10.0100.02612.92
5.3.00.0090.02612.94

preferences:
148.08 ms | 1394 KiB | 7 Q